Prediction Market Volume: Kalshi & Polymarket Aggregated Data

Live Data
Weekly Notional Volume Total USD value of contracts traded during the last complete calendar week.
$13.9B
K Kalshi
$11.9B (86%)
P Polymarket
$2.0B (14%)
U Polymarket US
$5.9M (0%)
Active Markets Number of prediction markets currently open for trading on each platform.
328,043
K Kalshi
117,590 (36%)
P Polymarket
178,521 (54%)
U Polymarket US
31,932 (10%)
Weekly Transactions Total number of trades executed during the last complete calendar week.
84,177,626
K Kalshi
67,688,911 (80%)
P Polymarket
16,488,715 (20%)
U Polymarket US
— (—)
Open Interest Polymarket: on-chain collateral, including unredeemed settlements. Others: reported open interest. All values in USD.
$1.7B
K Kalshi
$1.3B (79%)
P Polymarket
$360.6M (21%)
U Polymarket US
$2.9M (0%)
Last updated: September 12, 2026 at 10:29 PM PDT

Kalshi
CFTC Regulated
Volume (rolling)
24H $472.9M +3.9%
7D $3.4B -1.8%
30D $14.4B +1.2%
Top Categories (24h)
1 ⚽ Sports $273.7M
2 ₿ Crypto $110.2M
3 🏛️ Politics $7.4M
Top Markets (24h)
1
Oklahoma vs Michigan
🏈 Sports $9.6M
2
Tiafoe vs Shelton
🎾 Sports $9.2M
3
Oregon vs Oklahoma St.
🏈 Sports $8.3M
Polymarket
Decentralized Platform
Volume (rolling)
24H $143.1M +4.8%
7D $775.7M -3.6%
30D $2.8B -47.7%
Top Categories (24h)
1 📦 Misc $105.1M
2 ⚽ Sports $40.8M
3 ₿ Crypto $18.1M
Top Markets (24h)
1
Fed Decision in September?
📊 Economics $7.2M
2
LoL: Anyone's Legend vs Invictus Gaming (BO5) - LPL Playoffs
⚽ Sports $5.1M
3
US Open WTA: Aryna Sabalenka vs Elena Rybakina
🎾 Sports $2.6M

Category Breakdown

Compare volume and activity across platforms by category

K

Kalshi Categories

CategoryMarketsVolumeChange
Politics23,694$7.4M+17.4%
Sports95,006$273.7M+7.2%
Crypto6,467$110.2M+1.9%
Economics5,511$3.2M+33.1%
Finance4,613$2.8M-26.6%
Tech2,770$208.7K-30.1%
Culture9,156$755.4K-7.9%
Weather2,090$1.1M+7.4%
Misc1,265$254.1K+129.5%
World242$298.5K-4.6%
P

Polymarket Categories

CategoryMarketsVolumeChange
Politics2,850$3.9M-31.8%
Sports12,211$40.8M-10.5%
Crypto5,443$18.1M+7.3%
Economics362$158.0K-50.2%
Finance359$86.0K-29.7%
Tech153$110.5K+16.4%
Culture240$91.1K-79.6%
Weather60$50.1K-42.8%
Misc165,021$105.1M+5.5%
Mentions3$0
K

Kalshi Categories

CategoryMarketsVolumeChange
Politics7,424$54.9M+13.2%
Sports124,467$1.9B+1.1%
Crypto29,887$1.2B-5.9%
Economics8,347$25.8M+39.7%
Finance17,966$104.0M-14%
Tech1,193$2.2M-9.3%
Culture4,342$8.8M-26%
Weather10,578$9.2M-0.7%
Misc3,457$1.8M+3.6%
World241$1.2M+16.7%
P

Polymarket Categories

CategoryMarketsVolumeChange
Politics2,099$40.1M-11.3%
Sports4,805$205.8M-6.5%
Crypto9,850$114.9M-8.6%
Economics280$2.4M-18.4%
Finance247$879.2K+1.3%
Tech109$557.7K-40%
Culture143$1.3M+11.2%
Weather46$102.9K-66.4%
Misc67,146$409.6M+0.5%
Mentions6$1.3K+31.2%
K

Kalshi Categories

CategoryMarketsVolumeChange
Politics14,464$210.2M+91.5%
Sports380,288$8.3B-10%
Crypto120,783$5.3B+13%
Economics22,152$66.2M+6.8%
Finance69,156$452.2M+347.6%
Tech2,722$8.2M+12.6%
Culture9,909$49.3M+150.5%
Weather43,548$41.2M-23.5%
Misc11,720$6.8M+48.7%
World698$5.8M+78.4%
P

Polymarket Categories

CategoryMarketsVolumeChange
Politics2,845$193.5M-41.5%
Sports17,161$723.2M-48.7%
Crypto31,079$377.1M-58.2%
Economics340$9.5M-90.7%
Finance399$4.8M-60%
Tech152$2.3M+52.1%
Culture246$5.3M-15.8%
Weather111$1.1M-26%
Misc226,207$1.5B-42.7%
Mentions11$4.3K-93.3%

Weekly volume analysis

1 / 1
Volume Report

Fed Rate Hike Nears Certainty After Hotter Inflation Report

Prediction markets sharply increased the odds of a September Federal Reserve rate hike after core inflation rose more than expected on Sept. 11. DeFi Rate’s cross-venue probability for a 25-basis-point increase climbed from 63.7% to 81.3% in 24 hours, while total volume across the decision reached $192.6 million on Kalshi and Polymarket Global. Polymarket US also self-certified contracts for the meeting Friday.

Volume Report

Prediction Market NFL Trading Volume Could Reach $57 Billion This Season

DeFi Rate projects Kalshi NFL trading volume will reach roughly $3.2 billion through Week 1 and $57 billion across the full 2026–27 season. The forecast reflects the sharp expansion in prediction-market participation and NFL contract inventory over the past year, while using last season’s week-by-week trading pattern to model how volume is likely to build across the season rather than extrapolating the current growth rate indefinitely.

Top Markets by Volume

Highest trading activity across platforms

1
Thiago Agustin Tirante vs. Adrian Mannarino: This market will settle to the winner of the Thiago Agustin Tirante vs Adrian Mannarino ATP match scheduled for August 30 at 430PM
Polymarket US 🎾 Sports
No 91%
$54.2M
Aug 31
Closed
1

Thiago Agustin Tirante vs. Adrian Mannarino: This market will settle to the winner of the Thiago Agustin Tirante vs Adrian Mannarino ATP match scheduled for August 30 at 430PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $54.2M
2
Emma Navarro vs. Lois Boisson: This market will settle to the winner of the Emma Navarro vs Lois Boisson WTA match scheduled for August 30 at 635PM
Polymarket US 🎾 Sports
Yes 95%
$34.5M
Aug 31
Closed
2

Emma Navarro vs. Lois Boisson: This market will settle to the winner of the Emma Navarro vs Lois Boisson WTA match scheduled for August 30 at 635PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $34.5M
3
Aleksandar Vukic vs. Rei Sakamoto: This market will settle to the winner of the Aleksandar Vukic vs Rei Sakamoto ATP match scheduled for August 30 at 445PM
Polymarket US 🎾 Sports
No 91%
$30.8M
Aug 31
Closed
3

Aleksandar Vukic vs. Rei Sakamoto: This market will settle to the winner of the Aleksandar Vukic vs Rei Sakamoto ATP match scheduled for August 30 at 445PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $30.8M
4
Alex Michelsen vs. Federico Cina: This market will settle to the winner of the Alex Michelsen vs Federico Cina ATP match scheduled for August 30 at 705PM
Polymarket US 🎾 Sports
Yes 86%
$20.3M
Aug 31
Closed
4

Alex Michelsen vs. Federico Cina: This market will settle to the winner of the Alex Michelsen vs Federico Cina ATP match scheduled for August 30 at 705PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $20.3M
5
Martin Landaluce vs. Jacob Fearnley: This market will settle to the winner of the Martin Landaluce vs Jacob Fearnley ATP match scheduled for August 30 at 750PM
Polymarket US 🎾 Sports
Yes 70%
$11.8M
Aug 31
Closed
5

Martin Landaluce vs. Jacob Fearnley: This market will settle to the winner of the Martin Landaluce vs Jacob Fearnley ATP match scheduled for August 30 at 750PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $11.8M
6
Oklahoma vs Michigan
Kalshi 🏈 Sports
Michigan Outcome
$9.6M
Sep 12
Closed
6

Oklahoma vs Michigan

Kalshi
🏈 Sports Closed
Outcome Michigan
Volume $9.6M
7
Tiafoe vs Shelton
Kalshi 🎾 Sports
Ben Shelton Outcome
$9.2M
Sep 11
Closed
7

Tiafoe vs Shelton

Kalshi
🎾 Sports Closed
Outcome Ben Shelton
Volume $9.2M
8
Oregon vs Oklahoma St.
Kalshi 🏈 Sports
Oklahoma State Outcome
$8.3M
Sep 12
Closed
8

Oregon vs Oklahoma St.

Kalshi
🏈 Sports Closed
Outcome Oklahoma State
Volume $8.3M
9
Kimberly Birrell vs. Petra Marcinko: This market will settle to the winner of the Kimberly Birrell vs Petra Marcinko WTA match scheduled for August 30 at 700PM
Polymarket US 🎾 Sports
No 77%
$7.7M
Aug 31
Closed
9

Kimberly Birrell vs. Petra Marcinko: This market will settle to the winner of the Kimberly Birrell vs Petra Marcinko WTA match scheduled for August 30 at 700PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $7.7M
10
Fed Decision in September?
Polymarket 📊 Economics
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
$7.2M
Sep 15
Closing Soon
10

Fed Decision in September?

Polymarket
📊 Economics Closing Soon
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
Will there be no change in Fed interest rates after the September 2026 meeting 21%
Will the Fed decrease interest rates by 25 bps after the September 2026 meeting 1%
Will the Fed increase interest rates by 50+ bps after the September 2026 meeting 1%
Will the Fed decrease interest rates by 50+ bps after the September 2026 meeting 1%
Volume
$7.2M
Open Int.
Ends
Sep 15
11
Missouri vs Kansas
Kalshi 🏈 Sports
Missouri Outcome
$5.3M
Sep 11
Closed
11

Missouri vs Kansas

Kalshi
🏈 Sports Closed
Outcome Missouri
Volume $5.3M
12
San Francisco Giants vs. Atlanta Braves: Who will win in the upcoming baseball event San Francisco Giants vs Atlanta Braves scheduled for August 31 2026 at 1005 PM UTC
Polymarket US ⚾ Sports
No 60%
$5.2M
Aug 31
Closed
12

San Francisco Giants vs. Atlanta Braves: Who will win in the upcoming baseball event San Francisco Giants vs Atlanta Braves scheduled for August 31 2026 at 1005 PM UTC

Polymarket US
⚾ Sports Closed
Outcome
Volume $5.2M
13
LoL: Anyone's Legend vs Invictus Gaming (BO5) - LPL Playoffs
Polymarket ⚽ Sports
Anyone's Legend Outcome
$5.1M
Sep 12
Closed
13

LoL: Anyone's Legend vs Invictus Gaming (BO5) - LPL Playoffs

Polymarket
⚽ Sports Closed
Outcome Anyone's Legend
Volume $5.1M
14
Rutgers vs Boston College
Kalshi 🏈 Sports
Boston College Outcome
$4.9M
Sep 11
Closed
14

Rutgers vs Boston College

Kalshi
🏈 Sports Closed
Outcome Boston College
Volume $4.9M
15
Oklahoma vs Michigan: Spread
Kalshi 🏈 Sports
Michigan -1.5 Outcome
$4.4M
Sep 12
Closed
15

Oklahoma vs Michigan: Spread

Kalshi
🏈 Sports Closed
Outcome Michigan -1.5
Volume $4.4M
16
Sebastian Gorzny vs. Raphael Collignon: This market will settle to the winner of the Sebastian Gorzny vs Raphael Collignon ATP match scheduled for August 30 at 610PM
Polymarket US 🎾 Sports
No 78%
$4.0M
Aug 31
Closed
16

Sebastian Gorzny vs. Raphael Collignon: This market will settle to the winner of the Sebastian Gorzny vs Raphael Collignon ATP match scheduled for August 30 at 610PM

Polymarket US
🎾 Sports Closed
Outcome
Volume $4.0M
17
Sabalenka vs Rybakina
Kalshi 🎾 Sports
Elena Rybakina 82%
$3.8M
$7.7M
Sep 26
Active
17

Sabalenka vs Rybakina

Kalshi
🎾 Sports Active
Elena Rybakina 82%
Aryna Sabalenka 19%
Volume
$3.8M
Open Int.
$7.7M
Ends
Sep 26
18
San Diego vs San Francisco
Kalshi 🎭 Culture
San Diego Outcome
$3.7M
Sep 11
Closed
18

San Diego vs San Francisco

Kalshi
🎭 Culture Closed
Outcome San Diego
Volume $3.7M
19
Alabama vs Kentucky
Kalshi 🏈 Sports
Alabama 95%
$3.6M
$6.3M
Sep 14
Closing Soon
19

Alabama vs Kentucky

Kalshi
🏈 Sports Closing Soon
Alabama 95%
Kentucky 6%
Volume
$3.6M
Open Int.
$6.3M
Ends
Sep 14
20
Missouri vs Kansas: Spread
Kalshi 🏈 Sports
Missouri > 9.5 pts Outcome
$3.3M
Sep 11
Closed
20

Missouri vs Kansas: Spread

Kalshi
🏈 Sports Closed
Outcome Missouri > 9.5 pts
Volume $3.3M
21
Sunderland vs Arsenal
Kalshi ⚽ Sports
Arsenal Outcome
$3.2M
Sep 12
Closed
21

Sunderland vs Arsenal

Kalshi
⚽ Sports Closed
Outcome Arsenal
Volume $3.2M
22
Seattle vs A's
Kalshi ⚾ Sports
Oakland Athletics Outcome
$2.9M
Sep 11
Closed
22

Seattle vs A's

Kalshi
⚾ Sports Closed
Outcome Oakland Athletics
Volume $2.9M
23
US Open WTA: Aryna Sabalenka vs Elena Rybakina
Polymarket 🎾 Sports
Elena Rybakina 76%
$2.6M
Sep 19
Closing Soon
23

US Open WTA: Aryna Sabalenka vs Elena Rybakina

Polymarket
🎾 Sports Closing Soon
Elena Rybakina 76%
Aryna Sabalenka 25%
Volume
$2.6M
Open Int.
Ends
Sep 19
24
Stade Rennais FC 1901 vs. Olympique de Marseille
Polymarket ⚽ Sports
Stade Rennais FC 1901 Outcome
$2.5M
Sep 11
Closed
24

Stade Rennais FC 1901 vs. Olympique de Marseille

Polymarket
⚽ Sports Closed
Outcome Stade Rennais FC 1901
Volume $2.5M
25
Arizona St. vs Texas A&M
Kalshi 🏈 Sports
Texas A&M Outcome
$2.5M
Sep 12
Closed
25

Arizona St. vs Texas A&M

Kalshi
🏈 Sports Closed
Outcome Texas A&M
Volume $2.5M
26
LoL: GIANTX vs Natus Vincere (BO5) - LEC Playoffs
Polymarket ⚽ Sports
Natus Vincere Outcome
$2.4M
Sep 11
Closed
26

LoL: GIANTX vs Natus Vincere (BO5) - LEC Playoffs

Polymarket
⚽ Sports Closed
Outcome Natus Vincere
Volume $2.4M
27
Philadelphia vs Atlanta
Kalshi ⚾ Sports
Atlanta Outcome
$2.3M
Sep 11
Closed
27

Philadelphia vs Atlanta

Kalshi
⚾ Sports Closed
Outcome Atlanta
Volume $2.3M
28
Saitoh vs Hong
Kalshi 🎾 Sports
Keisuke Saitoh Outcome
$2.3M
Sep 12
Closed
28

Saitoh vs Hong

Kalshi
🎾 Sports Closed
Outcome Keisuke Saitoh
Volume $2.3M
29
Djere vs Martinez
Kalshi 🎾 Sports
Pedro Martinez Outcome
$2.3M
Sep 12
Closed
29

Djere vs Martinez

Kalshi
🎾 Sports Closed
Outcome Pedro Martinez
Volume $2.3M
30
Chelsea vs Hull City
Kalshi ⚽ Sports
Tie Outcome
$2.2M
Sep 12
Closed
30

Chelsea vs Hull City

Kalshi
⚽ Sports Closed
Outcome Tie
Volume $2.2M
1
Fed Decision in September?
Polymarket 📊 Economics
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
$41.0M
Sep 15
Closing Soon
1

Fed Decision in September?

Polymarket
📊 Economics Closing Soon
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
Will there be no change in Fed interest rates after the September 2026 meeting 21%
Will the Fed decrease interest rates by 25 bps after the September 2026 meeting 1%
Will the Fed increase interest rates by 50+ bps after the September 2026 meeting 1%
Will the Fed decrease interest rates by 50+ bps after the September 2026 meeting 1%
Volume
$41.0M
Open Int.
Ends
Sep 15
2
Fed decision in Sep 2026?
Kalshi 📊 Economics
Hike 25bps 80%
$8.7M
$43.1M
Dec 16
Active
2

Fed decision in Sep 2026?

Kalshi
📊 Economics Active
Hike 25bps 80%
Maintain rate 20%
Hike >25bps 2%
Cut 25bps 1%
Cut >25bps 1%
Volume
$8.7M
Open Int.
$43.1M
Ends
Dec 16
3
UEFA Champions League: 2027 Champion
Polymarket ⚽ Sports
Barcelona 19%
$6.6M
May 30
Active
3

UEFA Champions League: 2027 Champion

Polymarket
⚽ Sports Active
Barcelona 19%
Bayern Munich 16%
Arsenal 14%
Real Madrid 13%
Paris Saint-Germain 13%
Manchester City 9%
Liverpool 6%
Inter Milan 3%
Manchester United 3%
Atlético Madrid 2%
Shakhtar Donetsk 1%
Real Betis 1%
Borussia Dortmund 1%
VfB Stuttgart 1%
Napoli 1%
Lille 1%
Como 1%
Galatasaray 1%
Roma 1%
PSV Eindhoven 1%
Sporting CP 1%
Fenerbahçe 1%
Club Brugge 1%
Viking 1%
LASK 1%
Slovan Bratislava 1%
Sabah 1%
Slavia Prague 1%
Volume
$6.6M
Open Int.
Ends
May 30
4
Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs
Polymarket ⚽ Sports
Spirit Outcome
$5.6M
Sep 6
Closed
4

Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs

Polymarket
⚽ Sports Closed
Outcome Spirit
Volume $5.6M
5
LoL: Anyone's Legend vs Invictus Gaming (BO5) - LPL Playoffs
Polymarket ⚽ Sports
Anyone's Legend Outcome
$5.3M
Sep 12
Closed
5

LoL: Anyone's Legend vs Invictus Gaming (BO5) - LPL Playoffs

Polymarket
⚽ Sports Closed
Outcome Anyone's Legend
Volume $5.3M
6
Brazil Presidential Election
Polymarket 🏛️ Politics
Flávio Bolsonaro 51%
$5.2M
$6.6M
Oct 3
Active
6

Brazil Presidential Election

Polymarket
🏛️ Politics Active
Flávio Bolsonaro 51%
Luiz Inácio Lula da Silva 49%
Renan Santos 2%
Augusto Cury 1%
Pablo Marçal 1%
Romeu Zema 1%
Ronaldo Caiado 1%
Jair Bolsonaro 1%
Michelle Bolsonaro 1%
Fernando Haddad 1%
Camilo Santana 1%
Geraldo Alckmin 1%
Volume
$5.2M
Open Int.
$6.6M
Ends
Oct 3
7
Club Brugge KV vs. Aston Villa FC
Polymarket ⚽ Sports
Aston Villa FC Outcome
$4.7M
Sep 8
Closed
7

Club Brugge KV vs. Aston Villa FC

Polymarket
⚽ Sports Closed
Outcome Aston Villa FC
Volume $4.7M
8
VfB Stuttgart vs. Viking FK
Polymarket ⚽ Sports
VfB Stuttgart Outcome
$4.7M
Sep 9
Closed
8

VfB Stuttgart vs. Viking FK

Polymarket
⚽ Sports Closed
Outcome VfB Stuttgart
Volume $4.7M
9
Next French Presidential Election
Polymarket 🏛️ Politics
Marine Le Pen 35%
$4.6M
$1.3M
Apr 29
Active
9

Next French Presidential Election

Polymarket
🏛️ Politics Active
Marine Le Pen 35%
Édouard Philippe 28%
Jean-Luc Mélenchon 12%
David Lisnard 7%
François Hollande 3%
Jordan Bardella 2%
Gabriel Attal 2%
Bruno Retailleau 2%
Dominique de Villepin 2%
Raphaël Glucksmann 2%
Sarah Knafo 1%
Sébastien Lecornu 1%
Éric Zemmour 1%
Xavier Bertrand 1%
Olivier Faure 1%
Jean Castex 1%
Michel Barnier 1%
Karim Bouamrane 1%
Juan Branco 1%
Marine Tondelier 1%
Clémence Guetté 1%
François Ruffin 1%
François Baroin 1%
Nicolas Dupont-Aignan 1%
Ségolène Royal 1%
Gérald Darmanin 1%
Volume
$4.6M
Open Int.
$1.3M
Ends
Apr 29
10
Democratic Presidential Nominee 2028
Polymarket 🏛️ Politics
Alexandria Ocasio-Cortez 18%
$4.0M
$9.7M
Nov 6
Active
10

Democratic Presidential Nominee 2028

Polymarket
🏛️ Politics Active
Alexandria Ocasio-Cortez 18%
Jon Ossoff 16%
Gavin Newsom 14%
Kamala Harris 8%
Josh Shapiro 6%
Pete Buttigieg 6%
Mark Kelly 3%
Andy Beshear 3%
Rahm Emanuel 3%
James Talarico 2%
Wes Moore 2%
Ro Khanna 2%
Jon Stewart 1%
Hunter Biden 1%
Dwayne 'The Rock' Johnson 1%
J.B. Pritzker 1%
Cory Booker 1%
Chelsea Clinton 1%
Raphael Warnock 1%
Gretchen Whitmer 1%
Chris Murphy 1%
Michelle Obama 1%
Barack Obama 1%
Bernie Sanders 1%
Zohran Mamdani 1%
Jasmine Crockett 1%
Mark Cuban 1%
Stephen A. Smith 1%
Gina Raimondo 1%
Ruben Gallego 1%
Abigail Spanberger 1%
Hillary Clinton 1%
Andrew Yang 1%
Jared Polis 1%
Roy Cooper 1%
John Fetterman 1%
Josh Stein 1%
Tim Walz 1%
Volume
$4.0M
Open Int.
$9.7M
Ends
Nov 6
11
LoL: Ninjas in Pyjamas vs LGD Gaming (BO5) - LPL Playoffs
Polymarket ⚽ Sports
LGD Gaming Outcome
$3.9M
Sep 6
Closed
11

LoL: Ninjas in Pyjamas vs LGD Gaming (BO5) - LPL Playoffs

Polymarket
⚽ Sports Closed
Outcome LGD Gaming
Volume $3.9M
12
US Open Men's Singles Winner
Kalshi 🎾 Sports
Alexander Zverev 56%
$3.5M
$3.8M
Sep 27
Active
12

US Open Men's Singles Winner

Kalshi
🎾 Sports Active
Alexander Zverev 56%
Ben Shelton 43%
Volume
$3.5M
Open Int.
$3.8M
Ends
Sep 27
13
FC Barcelona vs. Feyenoord Rotterdam
Polymarket ⚽ Sports
FC Barcelona Outcome
$3.4M
Sep 9
Closed
13

FC Barcelona vs. Feyenoord Rotterdam

Polymarket
⚽ Sports Closed
Outcome FC Barcelona
Volume $3.4M
14
Republican Presidential Nominee 2028
Polymarket 🏛️ Politics
J.D. Vance 51%
$3.1M
$8.8M
Nov 6
Active
14

Republican Presidential Nominee 2028

Polymarket
🏛️ Politics Active
J.D. Vance 51%
Marco Rubio 18%
Tucker Carlson 4%
Donald Trump 2%
Ron DeSantis 2%
Donald Trump Jr. 2%
Ted Cruz 2%
Eric Trump 1%
Kim Kardashian 1%
Tom Brady 1%
Ivanka Trump 1%
Thomas Massie 1%
Tulsi Gabbard 1%
Glenn Youngkin 1%
Vivek Ramaswamy 1%
Pete Hegseth 1%
Rand Paul 1%
Katie Britt 1%
Steve Bannon 1%
Marjorie Taylor Greene 1%
Byron Donalds 1%
Brian Kemp 1%
Josh Hawley 1%
Robert F. Kennedy Jr. 1%
Kristi Noem 1%
Mike Pence 1%
John Thune 1%
Greg Abbott 1%
Elise Stefanik 1%
Nikki Haley 1%
Joe Kent 1%
John N. Kennedy 1%
Rick Scott 1%
Matt Gaetz 1%
Volume
$3.1M
Open Int.
$8.8M
Ends
Nov 6
15
LoL: G2 Esports vs Karmine Corp (BO5) - LEC Playoffs
Polymarket ⚽ Sports
G2 Esports Outcome
$3.1M
Sep 6
Closed
15

LoL: G2 Esports vs Karmine Corp (BO5) - LEC Playoffs

Polymarket
⚽ Sports Closed
Outcome G2 Esports
Volume $3.1M
16
BV Borussia 09 Dortmund vs. Villarreal CF
Polymarket ⚽ Sports
BV Borussia 09 Dortmund Outcome
$3.1M
Sep 8
Closed
16

BV Borussia 09 Dortmund vs. Villarreal CF

Polymarket
⚽ Sports Closed
Outcome BV Borussia 09 Dortmund
Volume $3.1M
17
US Open WTA: Aryna Sabalenka vs Elena Rybakina
Polymarket 🎾 Sports
Elena Rybakina 76%
$2.6M
Sep 19
Closing Soon
17

US Open WTA: Aryna Sabalenka vs Elena Rybakina

Polymarket
🎾 Sports Closing Soon
Elena Rybakina 76%
Aryna Sabalenka 25%
Volume
$2.6M
Open Int.
Ends
Sep 19
18
Stade Rennais FC 1901 vs. Olympique de Marseille
Polymarket ⚽ Sports
Stade Rennais FC 1901 Outcome
$2.5M
Sep 11
Closed
18

Stade Rennais FC 1901 vs. Olympique de Marseille

Polymarket
⚽ Sports Closed
Outcome Stade Rennais FC 1901
Volume $2.5M
19
LoL: GIANTX vs Natus Vincere (BO5) - LEC Playoffs
Polymarket ⚽ Sports
Natus Vincere Outcome
$2.4M
Sep 11
Closed
19

LoL: GIANTX vs Natus Vincere (BO5) - LEC Playoffs

Polymarket
⚽ Sports Closed
Outcome Natus Vincere
Volume $2.4M
20
Ballon d'Or Winner 2026
Polymarket ⚽ Sports
Harry Kane 62%
$2.3M
$2.5M
Oct 30
Active
20

Ballon d'Or Winner 2026

Polymarket
⚽ Sports Active
Harry Kane 62%
Lamine Yamal 17%
Kylian Mbappé 11%
Rodri 6%
Lionel Messi 3%
Khvicha Kvaratskhelia 2%
Ousmane Dembélé 1%
Fabian Ruiz 1%
Michael Olise 1%
Jude Bellingham 1%
Vitinha 1%
Pau Cubarsi 1%
Erling Haaland 1%
Declan Rice 1%
Volume
$2.3M
Open Int.
$2.5M
Ends
Oct 30
21
SSC Napoli vs. Arsenal FC
Polymarket ⚽ Sports
Arsenal FC Outcome
$2.3M
Sep 9
Closed
21

SSC Napoli vs. Arsenal FC

Polymarket
⚽ Sports Closed
Outcome Arsenal FC
Volume $2.3M
22
What price will Bitcoin hit in September?
Polymarket ₿ Crypto
$77,500 96%
$2.3M
Sep 30
Active
22

What price will Bitcoin hit in September?

Polymarket
₿ Crypto Active
$77,500 96%
$75,000 70%
$80,000 64%
$72,500 43%
$82,500 40%
$85,000 24%
$70,000 23%
$87,500 14%
$67,500 12%
$90,000 9%
$65,000 6%
$92,500 5%
$95,000 4%
$62,500 4%
$60,000 3%
$100,000 2%
$57,500 2%
$97,500 2%
$55,000 1%
Volume
$2.3M
Open Int.
Ends
Sep 30
23
Fenerbahçe SK vs. AS Roma
Polymarket ⚽ Sports
Draw Outcome
$2.3M
Sep 10
Closed
23

Fenerbahçe SK vs. AS Roma

Polymarket
⚽ Sports Closed
Outcome Draw
Volume $2.3M
24
Pro Football: 2027 Champion
Polymarket 🏈 Sports
Los Angeles Rams 13%
$2.3M
Mar 31
Active
24

Pro Football: 2027 Champion

Polymarket
🏈 Sports Active
Los Angeles Rams 13%
Buffalo Bills 9%
Seattle Seahawks 8%
Denver Broncos 6%
San Francisco 49ers 6%
Baltimore Ravens 6%
Kansas City Chiefs 6%
Dallas Cowboys 5%
Cincinnati Bengals 4%
Los Angeles Chargers 4%
New England Patriots 4%
Detroit Lions 4%
Philadelphia Eagles 4%
Chicago Bears 4%
Houston Texans 4%
Green Bay Packers 3%
Jacksonville Jaguars 3%
Miami Dolphins 1%
Las Vegas Raiders 1%
Tennessee Titans 1%
Tampa Bay Buccaneers 1%
New York Jets 1%
Indianapolis Colts 1%
New York Giants 1%
Carolina Panthers 1%
Atlanta Falcons 1%
Minnesota Vikings 1%
New Orleans Saints 1%
Washington Commanders 1%
Arizona Cardinals 1%
Cleveland Browns 1%
Pittsburgh Steelers 1%
Volume
$2.3M
Open Int.
Ends
Mar 31
25
Which party will gain most seats in Russian Parliamentary Election?
Polymarket 🏛️ Politics
Will United Russia (ER) gain the most seats in the next Russian parliamentary election 80%
$2.2M
Sep 29
Active
25

Which party will gain most seats in Russian Parliamentary Election?

Polymarket
🏛️ Politics Active
Will United Russia (ER) gain the most seats in the next Russian parliamentary election 80%
Will New People (NL) gain the most seats in the next Russian parliamentary election 17%
Will the Liberal Democratic Party of Russia (LDPR) gain the most seats in the next Russian parliamentary election 3%
Will A Just Russia – For Truth (SRZP) gain the most seats in the next Russian parliamentary election 1%
Will Yabloko gain the most seats in the next Russian parliamentary election 1%
Will the Communist Party of the Russian Federation (KPRF) gain the most seats in the next Russian parliamentary election 1%
Will Civic Platform (GP) gain the most seats in the next Russian parliamentary election 1%
Volume
$2.2M
Open Int.
Ends
Sep 29
26
SMU vs. Florida State
Polymarket 🏈 Sports
SMU Outcome
$2.2M
Sep 7
Closed
26

SMU vs. Florida State

Polymarket
🏈 Sports Closed
Outcome SMU
Volume $2.2M
27
Counter-Strike: BetBoom Team vs G2 (BO3) - FISSURE PLAYGROUND Playoffs
Polymarket ⚽ Sports
G2 Outcome
$2.2M
Sep 12
Closed
27

Counter-Strike: BetBoom Team vs G2 (BO3) - FISSURE PLAYGROUND Playoffs

Polymarket
⚽ Sports Closed
Outcome G2
Volume $2.2M
28
Patriots vs. Seahawks
Polymarket 🏈 Sports
Patriots Outcome
$2.1M
Sep 9
Closed
28

Patriots vs. Seahawks

Polymarket
🏈 Sports Closed
Outcome Patriots
Volume $2.1M
29
LoL: T1 vs Hanwha Life Esports (BO3) - KeSPA Cup Last Chance Qualifier
Polymarket ⚽ Sports
T1 Outcome
$2.1M
Aug 4
Closed
29

LoL: T1 vs Hanwha Life Esports (BO3) - KeSPA Cup Last Chance Qualifier

Polymarket
⚽ Sports Closed
Outcome T1
Volume $2.1M
30
Presidential Election Winner 2028
Polymarket 🏛️ Politics
JD Vance 24%
$1.9M
$44.4M
Nov 6
Active
30

Presidential Election Winner 2028

Polymarket
🏛️ Politics Active
JD Vance 24%
Alexandria Ocasio-Cortez 13%
Jon Ossoff 12%
Marco Rubio 9%
Gavin Newsom 8%
Kamala Harris 4%
Pete Buttigieg 3%
Dwayne 'The Rock' Johnson 2%
Donald Trump 2%
Ron DeSantis 2%
Mark Kelly 2%
LeBron James 1%
Tucker Carlson 1%
Donald Trump Jr. 1%
Elon Musk 1%
Ivanka Trump 1%
Andy Beshear 1%
Greg Abbott 1%
Eric Trump 1%
Ro Khanna 1%
Thomas Massie 1%
Wes Moore 1%
JB Pritzker 1%
James Talarico 1%
Stephen Smith 1%
Jamie Dimon 1%
Michelle Obama 1%
Tulsi Gabbard 1%
Gretchen Whitmer 1%
Glenn Youngkin 1%
Zohran Mamdani 1%
Tim Walz 1%
Vivek Ramaswamy 1%
Tom Cotton 1%
Elissa Slotkin 1%
Raphael Warnock 1%
Adam Schiff 1%
Doug Burgum 1%
Volume
$1.9M
Open Int.
$44.4M
Ends
Nov 6
1
Alexander Zverev vs. Cameron Norrie
Polymarket US 🎾 Sports
Alexander Zverev Outcome
$120.0M
$602.2K
Aug 15
Closed
1

Alexander Zverev vs. Cameron Norrie

Polymarket US
🎾 Sports Closed
Outcome Alexander Zverev
Volume $120.0M
2
Fed Decision in September?
Polymarket 📊 Economics
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
$109.6M
Sep 15
Closing Soon
2

Fed Decision in September?

Polymarket
📊 Economics Closing Soon
Will the Fed increase interest rates by 25 bps after the September 2026 meeting 80%
Will there be no change in Fed interest rates after the September 2026 meeting 21%
Will the Fed decrease interest rates by 25 bps after the September 2026 meeting 1%
Will the Fed increase interest rates by 50+ bps after the September 2026 meeting 1%
Will the Fed decrease interest rates by 50+ bps after the September 2026 meeting 1%
Volume
$109.6M
Open Int.
Ends
Sep 15
3
Who will win in the upcoming baseball event Los Angeles Dodgers vs Colorado Rockies scheduled for August 18, 2026 at 12:40 AM UTC?
Polymarket US ⚾ Sports
Los Angeles Dodgers Outcome
$106.2M
$390.6K
Aug 17
Closed
3

Who will win in the upcoming baseball event Los Angeles Dodgers vs Colorado Rockies scheduled for August 18, 2026 at 12:40 AM UTC?

Polymarket US
⚾ Sports Closed
Outcome Los Angeles Dodgers
Volume $106.2M
4
Who will win in the upcoming baseball event Detroit Tigers vs Pittsburgh Pirates scheduled for August 17, 2026 at 11:05 PM UTC?
Polymarket US ⚾ Sports
Detroit Tigers Outcome
$94.4M
$787.5K
Aug 17
Closed
4

Who will win in the upcoming baseball event Detroit Tigers vs Pittsburgh Pirates scheduled for August 17, 2026 at 11:05 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Detroit Tigers
Volume $94.4M
5
Rinky Hijikata vs. Gael Monfils
Polymarket US 🎾 Sports
Rinky Hijikata Outcome
$82.8M
$422.5K
Aug 13
Closed
5

Rinky Hijikata vs. Gael Monfils

Polymarket US
🎾 Sports Closed
Outcome Rinky Hijikata
Volume $82.8M
6
Who will win in the upcoming baseball event Atlanta Braves vs Minnesota Twins scheduled for August 17, 2026 at 11:40 PM UTC?
Polymarket US ⚾ Sports
Minnesota Twins Outcome
$49.9M
$802.1K
Aug 17
Closed
6

Who will win in the upcoming baseball event Atlanta Braves vs Minnesota Twins scheduled for August 17, 2026 at 11:40 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Minnesota Twins
Volume $49.9M
7
Who will win in the upcoming baseball event Boston Red Sox vs Pittsburgh Pirates scheduled for August 16, 2026 at 5:35 PM UTC?
Polymarket US ⚾ Sports
Pittsburgh Pirates Outcome
$39.7M
$559.7K
Aug 16
Closed
7

Who will win in the upcoming baseball event Boston Red Sox vs Pittsburgh Pirates scheduled for August 16, 2026 at 5:35 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Pittsburgh Pirates
Volume $39.7M
8
Who will win in the upcoming baseball event Chicago White Sox vs Chicago Cubs scheduled for August 18, 2026 at 12:05 AM UTC?
Polymarket US ⚾ Sports
Chicago Cubs Outcome
$39.1M
$615.7K
Aug 17
Closed
8

Who will win in the upcoming baseball event Chicago White Sox vs Chicago Cubs scheduled for August 18, 2026 at 12:05 AM UTC?

Polymarket US
⚾ Sports Closed
Outcome Chicago Cubs
Volume $39.1M
9
Who will win in the upcoming football event Arizona Cardinals vs Las Vegas Raiders scheduled for August 14, 2026 at 12:00 AM UTC?
Polymarket US 🏈 Sports
Cardinals Outcome
$32.3M
$222.9K
Aug 13
Closed
9

Who will win in the upcoming football event Arizona Cardinals vs Las Vegas Raiders scheduled for August 14, 2026 at 12:00 AM UTC?

Polymarket US
🏈 Sports Closed
Outcome Cardinals
Volume $32.3M
10
Who will win in the upcoming mma event Anthony Hernandez vs Gregory Rodrigues scheduled for August 22, 2026 at 8:00 PM UTC?
Polymarket US 🥊 Sports
Gregory Rodrigues Outcome
$27.7M
$405.0K
Aug 22
Closed
10

Who will win in the upcoming mma event Anthony Hernandez vs Gregory Rodrigues scheduled for August 22, 2026 at 8:00 PM UTC?

Polymarket US
🥊 Sports Closed
Outcome Gregory Rodrigues
Volume $27.7M
11
Who will win in the upcoming baseball event Milwaukee Brewers vs Los Angeles Dodgers scheduled for August 14, 2026 at 2:10 AM UTC?
Polymarket US ⚾ Sports
Milwaukee Brewers Outcome
$26.8M
$482.9K
Aug 13
Closed
11

Who will win in the upcoming baseball event Milwaukee Brewers vs Los Angeles Dodgers scheduled for August 14, 2026 at 2:10 AM UTC?

Polymarket US
⚾ Sports Closed
Outcome Milwaukee Brewers
Volume $26.8M
12
Who will win in the upcoming football event Tennessee Titans vs San Francisco 49ers scheduled for August 14, 2026 at 1:00 AM UTC?
Polymarket US 🏈 Sports
Titans Outcome
$26.0M
$176.8K
Aug 13
Closed
12

Who will win in the upcoming football event Tennessee Titans vs San Francisco 49ers scheduled for August 14, 2026 at 1:00 AM UTC?

Polymarket US
🏈 Sports Closed
Outcome Titans
Volume $26.0M
13
Brazil Presidential Election
Polymarket 🏛️ Politics
Flávio Bolsonaro 51%
$25.5M
$6.6M
Oct 3
Active
13

Brazil Presidential Election

Polymarket
🏛️ Politics Active
Flávio Bolsonaro 51%
Luiz Inácio Lula da Silva 49%
Renan Santos 2%
Augusto Cury 1%
Pablo Marçal 1%
Romeu Zema 1%
Ronaldo Caiado 1%
Jair Bolsonaro 1%
Michelle Bolsonaro 1%
Fernando Haddad 1%
Camilo Santana 1%
Geraldo Alckmin 1%
Volume
$25.5M
Open Int.
$6.6M
Ends
Oct 3
14
TOUR Championship Winner: Will Scottie Scheffler win the 2026 TOUR Championship scheduled for August 27-30 2026
Polymarket US ⛳ Sports
No 52%
$24.9M
Sep 13
Closing Soon
14

TOUR Championship Winner: Will Scottie Scheffler win the 2026 TOUR Championship scheduled for August 27-30 2026

Polymarket US
⛳ Sports Closing Soon
Yes 48%
No 52%
Volume
$24.9M
Open Int.
Ends
Sep 13
15
Who will win in the upcoming football event Los Angeles Chargers vs Houston Texans scheduled for August 14, 2026 at 12:00 AM UTC?
Polymarket US 🏈 Sports
Chargers Outcome
$24.2M
$137.0K
Aug 13
Closed
15

Who will win in the upcoming football event Los Angeles Chargers vs Houston Texans scheduled for August 14, 2026 at 12:00 AM UTC?

Polymarket US
🏈 Sports Closed
Outcome Chargers
Volume $24.2M
16
Who will win in the upcoming baseball event St. Louis Cardinals vs Chicago Cubs scheduled for August 16, 2026 at 7:15 PM UTC?
Polymarket US ⚾ Sports
St. Louis Cardinals Outcome
$24.2M
$290.0K
Aug 16
Closed
16

Who will win in the upcoming baseball event St. Louis Cardinals vs Chicago Cubs scheduled for August 16, 2026 at 7:15 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome St. Louis Cardinals
Volume $24.2M
17
Katie Boulter vs. Katie Volynets
Polymarket US 🎾 Sports
Katie Boulter Outcome
$23.6M
$226.0K
Aug 13
Closed
17

Katie Boulter vs. Katie Volynets

Polymarket US
🎾 Sports Closed
Outcome Katie Boulter
Volume $23.6M
18
Who will win in the upcoming baseball event Atlanta Braves vs Minnesota Twins scheduled for August 18, 2026 at 11:40 PM UTC?
Polymarket US ⚾ Sports
Minnesota Twins Outcome
$22.5M
$406.5K
Aug 18
Closed
18

Who will win in the upcoming baseball event Atlanta Braves vs Minnesota Twins scheduled for August 18, 2026 at 11:40 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Minnesota Twins
Volume $22.5M
19
UEFA Champions League: 2027 Champion
Polymarket ⚽ Sports
Barcelona 19%
$22.1M
May 30
Active
19

UEFA Champions League: 2027 Champion

Polymarket
⚽ Sports Active
Barcelona 19%
Bayern Munich 16%
Arsenal 14%
Real Madrid 13%
Paris Saint-Germain 13%
Manchester City 9%
Liverpool 6%
Inter Milan 3%
Manchester United 3%
Atlético Madrid 2%
Shakhtar Donetsk 1%
Real Betis 1%
Borussia Dortmund 1%
VfB Stuttgart 1%
Napoli 1%
Lille 1%
Como 1%
Galatasaray 1%
Roma 1%
PSV Eindhoven 1%
Sporting CP 1%
Fenerbahçe 1%
Club Brugge 1%
Viking 1%
LASK 1%
Slovan Bratislava 1%
Sabah 1%
Slavia Prague 1%
Volume
$22.1M
Open Int.
Ends
May 30
20
Who will win in the upcoming baseball event Chicago Cubs vs Arizona Diamondbacks scheduled for August 26, 2026 at 7:40 PM UTC?
Polymarket US ⚾ Sports
Arizona Diamondbacks Outcome
$20.5M
$285.9K
Aug 26
Closed
20

Who will win in the upcoming baseball event Chicago Cubs vs Arizona Diamondbacks scheduled for August 26, 2026 at 7:40 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Arizona Diamondbacks
Volume $20.5M
21
Diana Shnaider vs. Maja Chwalinska
Polymarket US 🎾 Sports
Diana Shnaider Outcome
$20.2M
$130.7K
Aug 17
Closed
21

Diana Shnaider vs. Maja Chwalinska

Polymarket US
🎾 Sports Closed
Outcome Diana Shnaider
Volume $20.2M
22
What price will Bitcoin hit in August?
Polymarket ₿ Crypto
No Outcome
$19.0M
Aug 31
Closed
22

What price will Bitcoin hit in August?

Polymarket
₿ Crypto Closed
Outcome No
Volume $19.0M
23
Who will win in the upcoming baseball event Los Angeles Dodgers vs Atlanta Braves scheduled for August 27, 2026 at 11:15 PM UTC?
Polymarket US ⚾ Sports
Atlanta Braves Outcome
$18.8M
$348.6K
Aug 27
Closed
23

Who will win in the upcoming baseball event Los Angeles Dodgers vs Atlanta Braves scheduled for August 27, 2026 at 11:15 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Atlanta Braves
Volume $18.8M
24
Fed decision in Sep 2026?
Kalshi 📊 Economics
Hike 25bps 80%
$18.7M
$43.1M
Dec 16
Active
24

Fed decision in Sep 2026?

Kalshi
📊 Economics Active
Hike 25bps 80%
Maintain rate 20%
Hike >25bps 2%
Cut 25bps 1%
Cut >25bps 1%
Volume
$18.7M
Open Int.
$43.1M
Ends
Dec 16
25
Tereza Valentova vs. Elina Svitolina
Polymarket US 🎾 Sports
Elina Svitolina Outcome
$17.8M
$312.8K
Aug 16
Closed
25

Tereza Valentova vs. Elina Svitolina

Polymarket US
🎾 Sports Closed
Outcome Elina Svitolina
Volume $17.8M
26
Democratic Presidential Nominee 2028
Polymarket 🏛️ Politics
Alexandria Ocasio-Cortez 18%
$16.9M
$9.7M
Nov 6
Active
26

Democratic Presidential Nominee 2028

Polymarket
🏛️ Politics Active
Alexandria Ocasio-Cortez 18%
Jon Ossoff 16%
Gavin Newsom 14%
Kamala Harris 8%
Josh Shapiro 6%
Pete Buttigieg 6%
Mark Kelly 3%
Andy Beshear 3%
Rahm Emanuel 3%
James Talarico 2%
Wes Moore 2%
Ro Khanna 2%
Jon Stewart 1%
Hunter Biden 1%
Dwayne 'The Rock' Johnson 1%
J.B. Pritzker 1%
Cory Booker 1%
Chelsea Clinton 1%
Raphael Warnock 1%
Gretchen Whitmer 1%
Chris Murphy 1%
Michelle Obama 1%
Barack Obama 1%
Bernie Sanders 1%
Zohran Mamdani 1%
Jasmine Crockett 1%
Mark Cuban 1%
Stephen A. Smith 1%
Gina Raimondo 1%
Ruben Gallego 1%
Abigail Spanberger 1%
Hillary Clinton 1%
Andrew Yang 1%
Jared Polis 1%
Roy Cooper 1%
John Fetterman 1%
Josh Stein 1%
Tim Walz 1%
Volume
$16.9M
Open Int.
$9.7M
Ends
Nov 6
27
Presidential Election Winner 2028
Polymarket 🏛️ Politics
JD Vance 24%
$16.4M
$44.4M
Nov 6
Active
27

Presidential Election Winner 2028

Polymarket
🏛️ Politics Active
JD Vance 24%
Alexandria Ocasio-Cortez 13%
Jon Ossoff 12%
Marco Rubio 9%
Gavin Newsom 8%
Kamala Harris 4%
Pete Buttigieg 3%
Dwayne 'The Rock' Johnson 2%
Donald Trump 2%
Ron DeSantis 2%
Mark Kelly 2%
LeBron James 1%
Tucker Carlson 1%
Donald Trump Jr. 1%
Elon Musk 1%
Ivanka Trump 1%
Andy Beshear 1%
Greg Abbott 1%
Eric Trump 1%
Ro Khanna 1%
Thomas Massie 1%
Wes Moore 1%
JB Pritzker 1%
James Talarico 1%
Stephen Smith 1%
Jamie Dimon 1%
Michelle Obama 1%
Tulsi Gabbard 1%
Gretchen Whitmer 1%
Glenn Youngkin 1%
Zohran Mamdani 1%
Tim Walz 1%
Vivek Ramaswamy 1%
Tom Cotton 1%
Elissa Slotkin 1%
Raphael Warnock 1%
Adam Schiff 1%
Doug Burgum 1%
Volume
$16.4M
Open Int.
$44.4M
Ends
Nov 6
28
Will Paris Saint-Germain win against Racing Club De Lens in the Trophee des Champions match scheduled for Aug 16, 2026?
Polymarket US ⚽ Sports
No Outcome
$16.1M
$234.6K
Aug 16
Closed
28

Will Paris Saint-Germain win against Racing Club De Lens in the Trophee des Champions match scheduled for Aug 16, 2026?

Polymarket US
⚽ Sports Closed
Outcome No
Volume $16.1M
29
Who will win in the upcoming baseball event Athletics vs Kansas City Royals scheduled for August 17, 2026 at 11:40 PM UTC?
Polymarket US ⚾ Sports
Kansas City Royals Outcome
$15.8M
$269.5K
Aug 17
Closed
29

Who will win in the upcoming baseball event Athletics vs Kansas City Royals scheduled for August 17, 2026 at 11:40 PM UTC?

Polymarket US
⚾ Sports Closed
Outcome Kansas City Royals
Volume $15.8M
30
Lorenzo Sonego vs. Frances Tiafoe
Polymarket US 🎾 Sports
Frances Tiafoe Outcome
$15.3M
$207.8K
Aug 16
Closed
30

Lorenzo Sonego vs. Frances Tiafoe

Polymarket US
🎾 Sports Closed
Outcome Frances Tiafoe
Volume $15.3M

How we collect data

DeFi Rate pulls prediction market data directly from platform APIs on a rolling basis. Kalshi data is sourced from the Kalshi REST API, which provides market-level contract data including volume, open interest, resolution status, and native category classifications. Polymarket data is sourced from the Polymarket GraphQL API, which exposes market-level trading activity, liquidity, and outcome probabilities across its decentralized order book. We also support ForecastX, Gemini and Polymarket US, though the data provided is limited in scope compared to Kalshi and Polymarket (international)

Data is fetched at 30-minute intervals, cleaned and stored on our end. All figures reflect each platform’s public API at the time of the most recent refresh.

Volume methodology

All volume figures are calculated on a rolling window basis, not calendar periods. A 24-hour rolling window captures all trades recorded in the 24 hours preceding each data pull. A 7-day window covers the trailing 7 days; a 30-day window covers the trailing 30 days. Figures update continuously and will differ from calendar-period totals (e.g., “volume this month”) published elsewhere.

Volume is denominated in USD. Kalshi reports native USD figures. Polymarket volume is denominated in USDC and converted to USD at a 1:1 rate, consistent with USDC’s peg.

Category taxonomy

Kalshi categories reflect the platform’s native classification system as returned by the Kalshi API. Polymarket does not enforce a rigid native taxonomy; categories displayed for Polymarket markets are assigned by DeFi Rate using a standardized classification schema mapped against market title and tag data. The schema assigns each market to one of the following categories: Politics, Sports, Crypto, Economics, Finance, Tech, Culture, Weather, Misc, and World. Markets carrying Polymarket’s native “mentions” tag are classified separately as Mentions. Category assignments are reviewed periodically and updated when platform tagging changes.

Leading outcome

The Leading column in the Top Markets table displays the current frontrunner for each market. For binary markets, this is the outcome trading above 50% implied probability. For multi-outcome markets, it is the outcome with the highest current implied probability. The probability figure shown reflects the last traded price for that contract. “Outcome” in place of a probability indicates the market has resolved and the displayed entry is the confirmed result.

Status definitions

Active markets are open for trading at the time of the data pull. Closed markets have passed their end date or been resolved by the platform. DeFi Rate does not distinguish between platform-level “expired” and “settled” statuses in the display layer; both appear as Closed.

Polymarket US top 30 markets

The Polymarket US Top 30 tab filters to markets accessible to US-based traders under Polymarket’s geofenced access rules. Polymarket restricts certain political and financial markets from US IP addresses; this view reflects the subset of the Polymarket top 30 reachable from a US connection at the time of the data pull. Availability is determined by Polymarket’s own access-control layer and may change without notice.

Change percentage

The change figure displayed alongside each volume metric is the percentage difference between the current rolling window and the equivalent prior period. For a 30-day reading, the comparison window is days 31–60 immediately preceding the current window. A positive value indicates higher volume in the most recent window; a negative value indicates lower volume. Change figures apply at the platform level, category level, and individual market level depending on context.

Market count figure

The Markets figure in the Category Breakdown table reflects the total number of discrete contracts within each category, not the number of parent events. On Kalshi, a single event (e.g., “NBA Champion 2026”) may contain multiple contracts — one per team — and each is counted separately. On Polymarket, each market URL corresponds to a single binary outcome and is counted as one market. Kalshi market counts are therefore not directly comparable to Polymarket market counts at the category level, though this is often used in the media.

Open interest

Open interest reflects the total value of unsettled contracts currently held by traders on a given market. It is pulled directly from each platform’s API and represents outstanding exposure at the time of the data pull, not cumulative traded volume. A dash (—) in the Open Int. column indicates the field was not returned in the API response for that market.