PMP · MMAUFC 331
Main Event · Flyweight
Joshua Van17-2
VSAlexandre Pantoja30-6
UFC · MMA
UFC 331: Van vs. Pantoja 2
Saturday, September 19, 2026 · main card 9:00 PM EDT · Crypto.com Arena · Paramount+
The 7 OraclesPMP · MMAUFC 331Saturday, September 19, 2026Quick Answer
As of September 14, 2026, the market favors Joshua Van in the Joshua Van vs Alexandre Pantoja flyweight main event at UFC 331 (Saturday, September 19, 2026). Live win probabilities and American odds for all 13 bouts are in the tale of the tape below.
Why you can trade this card
A flyweight title rematch (Van took Pantoja’s belt; Pantoja gets his shot back), Tsarukyan–Ruffy as co-main, Ortega at lightweight and Pitbull Freire vs. Doo Ho Choi — numbered UFC cards carry the deepest MMA liquidity on Kalshi and Polymarket, and every bout here will price.
What the market says
The full card at a glance — the market favorite, cross-platform price gap, method lean and liquidity for every bout. Market-derived, not a pick.
Sort:
| Bout | Market favorite | Cross-platform gap | Method lean | Liquidity |
|---|---|---|---|---|
Joshua Van vs Alexandre Pantoja Main Event · Flyweight | Joshua Van56%-127 | 1.0ppALIGNED | — | $45K |
Arman Tsarukyan vs Mauricio Ruffy Co-Main Event · Lightweight | Arman Tsarukyan74%-285 | 1.0ppALIGNED | — | $17K |
Patricio Freire vs Doo Ho Choi Featherweight | Doo Ho Choi71%-245 | 0.0ppALIGNED | — | $2KLow |
Renato Moicano vs Brian Ortega Lightweight | Renato Moicano66%-194 | 1.0ppALIGNED | — | $2KLow |
Alonzo Menifield vs Iwo Baraniewski Light Heavyweight | Iwo Baraniewski70%-233 | 1.0ppALIGNED | — | $2KLow |
Gable Steveson vs Sean Sharaf Heavyweight | Gable Steveson91%-1011 | 0.0ppALIGNED | — | $16K |
Marlon Vera vs Charles Jourdain Bantamweight | Charles Jourdain67%-203 | 2.0ppALIGNED | — | $6KLow |
Tai Tuivasa vs Robelis Despaigne Heavyweight | Robelis Despaigne84%-525 | 1.0ppALIGNED | — | $5KLow |
Edmen Shahbazyan vs Brunno Ferreira Middleweight | Edmen Shahbazyan62%-163 | 2.0ppALIGNED | — | $1KLow |
Giga Chikadze vs Joanderson Brito Featherweight | Joanderson Brito77%-335 | 1.0ppALIGNED | — | $693Low |
Casey O’Neill vs Eduarda Moura Women’s Flyweight | Casey O’Neill65%-186 | 1.0ppALIGNED | — | $2KLow |
Ryan Gandra vs Osman Diaz Middleweight | Ryan Gandra80%-400 | 1.0ppALIGNED | — | $1KLow |
Michael Aswell vs Joo Sang Yoo Featherweight | Joo Sang Yoo69%-223 | 1.0ppALIGNED | — | $327Low |
Market-derived signals, not a pick. A position can settle at $0 — informational only, trade responsibly.
Main card
PMP · MMAUFC 331
Main Event · Flyweight
Joshua Van17-2
VSAlexandre Pantoja30-6
PMP · MMAUFC 331
Co-Main Event · Lightweight
Arman Tsarukyan23-3
VSMauricio Ruffy14-2
PMP · MMAUFC 331
Featherweight
Patricio Freire37-9
VSDoo Ho Choi17-4-1
PMP · MMAUFC 331
Lightweight
Renato Moicano21-7-1
VSBrian Ortega16-5
PMP · MMAUFC 331
Light Heavyweight
Alonzo Menifield18-6-1
VSIwo Baraniewski9-0
Prelims
PMP · MMAUFC 331
Heavyweight
Gable Steveson4-0
VSSean Sharaf4-2
PMP · MMAUFC 331
Bantamweight
Marlon Vera23-12-1
VSCharles Jourdain18-8-1
PMP · MMAUFC 331
Heavyweight
Tai Tuivasa14-10
VSRobelis Despaigne6-2
PMP · MMAUFC 331
Middleweight
Edmen Shahbazyan16-6
VSBrunno Ferreira15-4
PMP · MMAUFC 331
Featherweight
Giga Chikadze15-6
VSJoanderson Brito19-5-1
PMP · MMAUFC 331
Women’s Flyweight
Casey O’Neill11-2
VSEduarda Moura12-2
PMP · MMAUFC 331
Middleweight
Ryan Gandra10-1
VSOsman Diaz10-4
PMP · MMAUFC 331
Featherweight
Michael Aswell11-5
VSJoo Sang Yoo9-1
The prediction-market read
UFC 331: Van vs. Pantoja 2 brings 13 bouts to Crypto.com Arena in Los Angeles, California on Saturday, September 19, 2026, live on Paramount+. The card is headlined by Joshua Van (17-2) against Alexandre Pantoja (30-6) in the flyweight division.
The tale of the tape above carries the live market read for 13 of 13 bouts — each fighter's market-implied win probability in cents and comma-free American odds, with the market favorite tinted green. Prices come from Kalshi's combat-fight contracts, with a Polymarket fallback where PFL fights trade.
Prediction markets are not sportsbooks — you trade a contract that settles at $1 or $0, not a wager against a house line. Informational only; trade responsibly.
UFC 331 — frequently asked
Who is favored at UFC 331?
The market favors Joshua Van in the Joshua Van vs Alexandre Pantoja main event. The tale of the tape above lists the live market-implied win probability and American odds for every bout on the card; the favorite is tinted green.
How can I watch UFC 331?
UFC 331: Van vs. Pantoja 2 streams on Paramount+. Main card starts 9:00 PM EDT on Saturday, September 19, 2026. While you watch, the live market read for every bout — market-implied win probability and comma-free American odds — is on this page the moment UFC 331's contracts list.
Can you trade UFC 331 fights on Kalshi or Polymarket?
Yes — these are prediction markets, not a sportsbook. UFC cards carry live markets on both venues: Kalshi is a CFTC-regulated exchange available to traders in all 50 states, and Polymarket is open to US traders too. We lead with Kalshi for the broader US-listed slate and the deeper per-market book. You take a yes/no position on a fighter in a contract that settles at $1 or $0 — no point spread, just the binary outcome.
When and where is UFC 331?
UFC 331: Van vs. Pantoja 2 takes place Saturday, September 19, 2026 at Crypto.com Arena in Los Angeles, California, broadcast on Paramount+. Main card starts 9:00 PM EDT.
How do prediction-market MMA odds work?
Each fighter's price is the market-implied probability they win, quoted in cents (a 69¢ contract implies a 69% chance) and shown here as comma-free American odds. Unlike a sportsbook line, the contract settles at $1 if the fighter wins and $0 if they lose, so the price IS the probability.
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Prediction markets carry risk. Contracts can settle at $0. Informational only — not financial advice. Trade responsibly.