Volume Report

BMW and US Open Drive volume on Kalshi and Polymarket

Volume Report

BMW Championship, US Open Drove Huge Week For Sports On Prediction Markets Volume

Prediction markets surged to $3.36B in weekly volume, with sports dominating 76.5% of trading across Kalshi and Polymarket...

Matt Bain

August 24, 2026

Preseason NFL trading data Kalshi, Polymarket and Polymarket US

Volume Report

NFL Prediction Market Volume Reaches $167.8M in Week Ending August 16

NFL volume across Kalshi, Polymarket Global and Polymarket US hit $167.8 million, up 324.4% from week prior....

Cheryle Shepstone

August 17, 2026

Volume Report

Prediction Market Volume Rebounds Above $10 Billion as Politics Surges Ahead of NFL Season

Prediction markets rebound as trading tops $10 billion, with Kalshi leading the surge and a growth in political markets driving...

Matt Bain

August 10, 2026

Polymarket US is seeking to add parlay-style sports contracts as prediction market operators expand multi-leg trading products

Volume Report

Weekly Prediction Markets Volume Falls Below $10B For First Time Since June

Prediction markets cool after the World Cup, but Kalshi gains more share as sports and Fed markets drive...

Matt Bain

August 3, 2026

Kalshi’s 2026 FIFA World Cup markets generated at least $13.76 billion in directly tracked trading volume, setting a new all-time event record for the exchange.

Industry

Kalshi World Cup Volume Exploded to $13.8 Billion, an All-Time Event Record

World Cup trading dwarfed volume tied to any previous event on Kalshi and helped propel the exchange to new daily, weekly and monthly records. DeFi Rate breaks down the market types,...

Mike Breen

July 21, 2026

Data

Kalshi Tops $7.5B With a Day Left, Smashing Its Own Weekly Volume Record

Kalshi has already surpassed $7.49 billion in notional volume for the week of June 15, surpassing its prior record of $6.38B with Sunday’s session still open. The partial total runs...

Cheryle Shepstone

June 21, 2026

Volume Report

Kalshi Crosses $100B Milestone as World Cup Drives Daily Volume Over $1B

Kalshi crossed $100 billion in lifetime notional volume last week, and followed it up with its first-ever billion-dollar trading days on Saturday and Sunday. Kalshi’s notional volume...

Valerie Cross

June 15, 2026

Volume Report

Kalshi Sets $17.9B Record May as World Cup Lifts Polymarket US to Weekly High

Kalshi closed May with $17.91 billion in notional volume, its ninth consecutive monthly record and a 21% jump from April’s then-record $14.81B, according to DeFi Rate’s...

Valerie Cross

June 8, 2026

World Cup Prediction Market Forecast from DeFi Rate

Volume Report

Forecast: World Cup Prediction Market Volume Could Hit $2.5 Billion in the US

Prediction markets could drive as much as $2.5 billion in trading activity on the 2026 World Cup, with $1.47-1.93 billion trading on Kalshi. The current World Cup Winner contract is...

Cheryle Shepstone

June 1, 2026

Kalshi stayed near $4 billion in weekly volume while Polymarket pulled back during the week of May 18.

Volume Report

Prediction Markets Cross $5.6B Week, Kalshi Takes 71% of Volume

Kalshi remained on pace for another monthly volume record during the week of May 18, while Polymarket’s decline widened the gap between the two largest prediction market platforms. Kalshi...

Mike Breen

May 25, 2026

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