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UFC 329: Kai Kamaka III vs. Luke Riley (Featherweight, Prelims)

Live odds for "UFC 329: Kai Kamaka III vs. Luke Riley (Featherweight, Prelims)" pulled from the Polygon order book, alongside the platform attributes of every venue that runs this contract.

O/U 0.5 Rounds 81% O/U 1.5 Rounds 71% O/U 2.5 Rounds 65% Fight to Go the Distance? 59% Volume: $68K Liquidity: $151K Closes: 12 Jul 2026
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UFC 329: Kai Kamaka III vs. Luke Riley (Featherweight, Prelims)

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win 2026) Pick
polygram.ink (preferred broker)
81% 19% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
81% 19% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
O/U 0.5 Rounds81%
O/U 1.5 Rounds71%
O/U 2.5 Rounds65%
Fight to Go the Distance?59%
Kai Kamaka III vs. Luke Riley34%
Fight won by KO/TKO?32%
Riley to win by KO/TKO?28%
Fight won by submission?10%
Kamaka III to win by KO/TKO?8%

Market context

Kai Kamaka III faces undefeated Luke Riley in a UFC 329 prelim featherweight bout tonight, with the crowd assigning Kamaka a 34% chance to win. This probability treats Kamaka as the underdog despite his 18-7-1 record, while Riley’s 13-0 status and superior boxing pedigree drive the consensus toward a Riley victory. Historical precedents for UFC debutants with clean records against experienced veterans often see the market overcorrecting toward the undefeated fighter, creating value spots where the experienced fighter’s resilience is undervalued. In similar prelim matchups, fighters with decision wins in their debut, like Kamaka’s against Dakota Hope, have occasionally flipped odds when the opponent’s striking dominance is neutralised by volume or grappling pressure.

Traders should monitor final weigh-in data and any late injury announcements, as Riley’s reach advantage (5’9” vs 5’7”) and technical striking could be compromised if Kamaka lands a significant early strike. Recent previews from The Stats Zone and DraftKings analysts consistently pick Riley, citing his cleaner, faster striking and technical superiority, which reinforces the 66% implied probability against Kamaka. A contrarian angle exists if Kamaka’s UFC debut decision win signals a capacity to absorb pressure and outlast Riley in later rounds, a scenario the market currently discounts. Watch for official UFC fight-night updates and any pre-fight medical suspensions that could alter the settlement outcome, as the resolution hinges strictly on official UFC declarations.

The value sits on Kamaka if the 34% price reflects an overreaction to Riley’s undefeated record rather than a true assessment of Kamaka’s UFC debut performance. Comparable cases show that experienced fighters with decision wins in their UFC debut can outperform odds when facing undefeated opponents with striking-heavy styles, particularly in prelim bouts where fatigue and pressure play larger roles. Riley’s KO of Bogdan Grad and decision over Michael Aswell Jr. highlight his pace, but Kamaka’s resilience against TJ Brown and Jonathan Pearce suggests he can withstand early pressure. The market’s 66% consensus on Riley may be vulnerable if Kamaka’s volume striking disrupts Riley’s rhythm, creating a potential contrarian entry point at current prices.

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices O/U 0.5 Rounds at 81% for "UFC 329: Kai Kamaka III vs. Luke Riley (Featherweight, Prelims)".

O/U 0.5 Rounds 81% Other 19%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $68K.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
Is this market available outside the US?
Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
What's the difference between YES and NO shares?
A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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