Research · Market study

The 10 sharpest UFC bettors on Polymarket: 884 fights checked

Across 884 UFC fights since July 2024, about 150 of roughly 54,000 Polymarket accounts kept beating Pinnacle's final line. Accounts picked on their earlier fights kept doing it on later ones, at about +1.5% ROI. Their typical bet is about $87 a fight, and most of their money sits in orders waiting for others to take.

Every bet on Polymarket, the prediction market, is public, so anyone can follow an account’s record fight by fight. We went through every Polymarket UFC bet since July 2024 to see whether any accounts beat the market again and again.

Short answer: sharp bettors do exist on Polymarket, but very few. About 1 in 350 accounts keep beating the final price, by about 1.5% of what they bet.

The quick version

  • They exist. About 150 of roughly 54,000 accounts keep beating the final price, fight after fight.
  • Their edge is small. About +1.5% ROI against the final price, measured only on fights after we picked them.
  • They aren’t whales. Their typical bet is about $87 a fight, and most of their money sits in orders waiting for others to take.

What we looked at

Every bet on a Polymarket UFC fight from July 2024 to October 10, 2026 that was placed before the card started. That’s 884 fights with a sportsbook final price to compare against, and about $45 million of bets. All of it comes from Polymarket’s public record of trades.

We count bets that took the price on the screen. Orders left waiting for someone else to take are a different game, so they’re left out unless we say otherwise.

We judge a bet by its price, not by whether it won. A bet that got a better price than Pinnacle’s final line was a good bet, win or lose. Here, +2% ROI means the bettor got a 2% better deal than that final price, and −2% means they paid 2% too much.

Finding 1: Some accounts keep beating the final price

We tested this the way you’d grade a student on next month’s exam, not the one they already took. Each month we picked accounts using only their earlier fights, then checked how they did the month after.

The picked accounts made +1.5% ROI against the final price on the fights after they were picked. The likely range is +1.0% to +2.2%. Everyone else who took the listed price came in at −0.4%.

It held up in every stretch: +1.3% in 2025, +2.0% in early 2026 and +1.6% from May to October 2026. It isn’t one big account either. Leave out the five biggest and it’s still +1.4%. Against Polymarket’s own final price instead of Pinnacle’s, it’s +1.1%.

The pattern runs both ways. Accounts that were ahead kept being ahead, and accounts that were behind kept being behind.

ROI on earlier fightsAccountsROI the next month
6% or more behind57−2.8%
2% to 6% behind603−1.4%
0% to 2% behind1,059−0.9%
0% to 2% ahead614+0.1%
2% to 6% ahead212+1.5%
6% or more ahead25+5.7%

Accounts with at least 10 earlier fights; ROI is averaged per fight. In this table ROI is adjusted for the fighter’s price and how early the bet was placed, so accounts aren’t rewarded just for backing long shots.

Wins and losses can’t confirm this on their own yet. The picked accounts actually made about +5% on their money, but the likely range runs from −8% to +26%. Two years of fights is too few to see a 1.5% edge in results alone.

Finding 2: Who they are

About 150 accounts made the list at some point, out of roughly 54,000 that took the listed price. About 60 of them have bet in the last three months. Together they placed about 6% of the money.

They aren’t whales. Their typical bet on a fight is about $87, against $10 for everyone else, and 1 in 10 is over $2,000. Most of their money, about 62%, goes into orders they leave waiting for someone else to take.

They don’t pile in at the last minute either. They put 7% of their money down in the final hour before the card, about the same as everyone else’s 9%.

Here are the 10 bettors with the highest z-scores. A z-score says how far a bettor’s average ROI sits above zero, in units of the swing luck alone would cause. Above 2 is hard to get by luck.

#Bettorz-scoreAverage ROI per fightBeat the final priceTotal betLast fight
1asdasdasdaddddddd6.1+3.5%60 of 81$52,700Dec 13, 2025
2Lexington5.0+8.5%22 of 27$11,400Aug 22, 2026
30xEV4.5+7.4%43 of 59$1,900Oct 10, 2026
4Talvez104.1+3.1%44 of 67$503,100Oct 10, 2026
5SammySledge4.0+2.3%70 of 116$727,500Jun 20, 2026
6no1dodgersfan3.9+9.7%16 of 19$8,000Oct 10, 2026
7FearlessVolcano3323.9+7.5%14 of 18$2,200Apr 4, 2026
8passenger-223.8+2.3%68 of 99$81,200Jan 24, 2026
9GambleFroth3.8+3.5%47 of 69$185,200Oct 10, 2026
10unnamed (0xac86…bcb3)3.8+4.5%18 of 23$73Feb 21, 2026

Bettors with at least 15 fights, counting only bets that took the listed price before the card started. Average ROI per fight is against Pinnacle’s final price, not adjusted. With 1,734 bettors in the pool, luck alone could push the best one to a z-score near 4, so the top three are the clearest cases.

The fine print: every finished UFC fight on Polymarket from July 2024 to October 10, 2026 that we could match to a sportsbook final price, with cancelled fights and draws left out. The final price is Pinnacle’s last line before the fight; where Pinnacle had none, the big US sportsbooks’. Only bets placed before the card started are counted. We left out 10 fights where Polymarket’s and Pinnacle’s final prices were far apart, and bets priced more than 30 cents away from the final price, which are mostly mistakes. Accounts were picked month by month using only their earlier fights, and judged only on later ones. Picking used ROI adjusted for the fighter’s price and the bet’s timing; the other figures are plain ROI against the final price. Fees aren’t counted. This is Polymarket’s main site, not Polymarket US. This isn’t betting advice. Gambling problem? Call 1-800-GAMBLER.

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