Polymarket Promo Code RATE: $20 for UFC 328 Chimaev vs. Strickland

Use Polymarket promo code RATE for UFC 328 to claim a $20 bonus and skip the US waitlist. UFC 328 is tonight at Prudential Center in Newark, headlined by Chimaev vs. Strickland for the Middleweight title. Trading is open at Polymarket US across the full card.

UFC 328 Polymarket odds

UFC 328 BoutFighter 1Fighter 2
Chimaev vs. StricklandChimaev 82%Strickland 19%
Taira vs. VanTaira 60%Van 41%
Volkov vs. Cortes-AcostaVolkov 57%Cortes-Acosta 44%
Brady vs. BuckleyBrady 62%Buckley 39%
Stephens vs. King GreenKing Green 78%Stephens 23%
Amosov vs. AlvarezAmosov 63%Alvarez 38%
Miller vs. GordonGordon 71%Miller 30%
Dawson vs. RebeckiDawson 57%Rebecki 44%
Sabatini vs. GomisSabatini 60%Gomis 41%
Diaz vs. GautierGautier 89%Diaz 12%
Susurkaev vs. SantosSusurkaev 87%Santos 14%
Carpenter vs. OchoaOchoa 63%Carpenter 38%
Kopylov vs. TulioTulio 64%Kopylov 37%

*Main card starts at 9 p.m. ET on Paramount+. Early prelims start at 5 p.m. ET, followed by Prelims at 7 p.m. ET. Prices sourced from Polymarket and reflect live market probabilities at the time of publication. 

How to claim the Polymarket $20 bonus for UFC 328

New users can claim a $20 trading bonus and skip the US waitlist by entering the Polymarket promo code RATE at signup. Just follow these steps, and you’ll be all set. 

  1. Download the Polymarket app on iOS or Android and tap Sign Up. This is the most efficient path, as desktop sign-up may route you to the standard waitlist. 
  2. Enter the requested information and invite code RATE when prompted. The code must be entered during signup and cannot be applied retroactively. New users only. One code per account.
  3. Complete identity verification and have a government-issued ID ready.
  4. Choose your preferred funding method (Debit, ACH, Wire, or Apple Pay) and deposit a minimum of $20. 
  5. Find a market, read the rules, and place your first trade to unlock the $20 bonus. The credit applies once your trade settles.
UFC 328 Polymarket bonus

Why trade UFC 328 on Polymarket

Prediction markets price fight outcomes clearly, with prices correlating directly with the implied probability of each outcome. Unlike fixed odds at a sportsbook, Polymarket prices update continuously through the event, giving live traders the ability to enter and exit positions as the fight unfolds. Markets settle instantly once the result is official.

Chimaev vs. Strickland – Polymarket preview

Chimaev enters as a heavy favorite at 82%. The undefeated Middleweight champion has not lost in the UFC, bringing a perfect 15-0 record to the table. Strickland, a former champion, is listed at 19% to score the upset. Chimaev won the crown off Dricus Du Plessis, the fighter who ended Strickland’s reign. 

Current Odds Snapshot

Current probabilities across platforms with liquidity indicators

Sort:
KC
Khamzat Chimaev
Vol $561.9K Spread 0.5%
Agg -413
— +0.0%
U -426
K -413
SS
Sean Strickland
Vol $1.0M Spread 0.5%
Agg +413
— +0.0%
U +400
K +413
OutcomeAggregatedSpreadVolumeKalshiPolymarket US
KC
Khamzat Chimaev
-413
— +0.0%
0.5%
$561.9K
Kalshi -413
80–81¢ Vol $553.0K
Polymarket US -426
80–81¢ Vol $8.9K
SS
Sean Strickland
+413
— +0.0%
0.5%
$1.0M
Kalshi +413
19–20¢ Vol $1.0M
Polymarket US +400
19–20¢ Vol $8.9K

Van vs. Taira – Challenger favored in flyweight title bout

The market has Taira at 60% despite Van holding the belt, setting up a significant value opportunity for those who think the champ retains the belt. Taira enters at 18-1 and is the winner of two straight. Van is 16-2 and has won six in a row. Originally scheduled for last month, the bout was moved due to a minor injury to Van. 

Current Odds Snapshot

Current probabilities across platforms with liquidity indicators

Sort:
TT
Tatsuro Taira
Vol $115.6K Spread 0.5%
Agg -141
↓ -0.4%
U -144
K -141
JV
Joshua van
Vol $175.1K Spread 0.5%
Agg +141
↑ +0.4%
U +138
K +141

Volkov vs. Cortes-Acosta – Power vs. power in heavyweight battle

Volkov enters at 57% in this battle of behemoths. The veteran enters tonight at 39-11, with Cortes-Acosta at 17-2 and trading at 44%. With both fighters carrying genuine knockout power, a single exchange can swing the market dramatically, making this one of the more interesting live trading opportunities on the card.

Current Odds Snapshot

Current probabilities across platforms with liquidity indicators

Sort:
AV
Alexander Volkov
Vol $48.6K Spread 0.5%
Agg -130
↓ -0.7%
U -133
K -130
WCA
Waldo Cortes-Acosta
Vol $46.7K Spread 0.5%
Agg +125
↑ +0.8%
K +125
U +127
OutcomeAggregatedSpreadVolumeKalshiPolymarket US
AV
Alexander Volkov
-130
↓ -0.7%
0.5%
$48.6K
Kalshi -130
56–57¢ Vol $40.4K
Polymarket US -133
56–57¢ Vol $8.2K
WCA
Waldo Cortes-Acosta
+125
↑ +0.8%
0.5%
$46.7K
Kalshi +125
44–45¢ Vol $38.5K
Polymarket US +127
43–44¢ Vol $8.2K

What else is trading on the UFC 328 card

King Green is the market’s most decisive non-title favorite outside the main event at 78% against Jeremy Stephens. Undefeated prospect Baisangur Susurkaev is priced at 87% against Djorden Santos on the early prelims, one of the highest probabilities on the card. Four bouts are scheduled for early prelims, another four for prelims, and five get the main card spotlight. 

Skip the Polymarket waitlist and claim your $20 UFC 328 bonus

UFC numbered events consistently draw millions of viewers, while also attracting significant prediction market trading volume. Those trends will continue this evening, with the highly anticipated Chimaev vs. Strickland main event on tap, plus a solid undercard. Claim $20 on Polymarket and skip the waitlist with the code RATE. 

About The Author
Christopher Feery, Author at DefiRate
Christopher Feery
Christopher has been writing professionally since 2014, with a focus on casinos and sports betting. After New Jersey legalized sports betting in 2018, he shifted his full attention to the gambling industry, joining Catena Media in 2021. He contributes in-depth analysis and guides on many igaming sites.