Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
63% | 37% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| O/U 1.5 Rounds | 63% YES | 38% NO |
| O/U 4.5 Rounds | 32% YES | 68% NO |
| Fight to Go the Distance? | 33% YES | 68% NO |
| Fight won by KO/TKO? | 26% YES | 74% NO |
| Sean Strickland vs. Khamzat Chimaev | 19% YES | 82% NO |
| Strickland to win by KO/TKO? | 10% YES | 90% NO |
Market context
Sean Strickland faces Khamzat Chimaev in a middleweight bout scheduled for 9 May 2026 at UFC 328. The conditional token market on Polygon currently prices Strickland's victory at 64% implied probability, denominated in USDC. This reflects a meaningful gap between the two fighters' perceived likelihoods, with the market assigning Chimaev roughly 36% chance of winning outright.
Strickland's elevated probability reflects his established record at middleweight and recent competitive performances, whilst Chimaev carries the profile of an ascending welterweight-to-middleweight transitioner. Historical UFC matchups involving weight-class jumpers show mixed results; fighters moving up typically face a 40–55% win rate depending on their ranking and opponent calibre. Chimaev's previous middleweight outings and Strickland's consistency in the division provide reference points, though the specific stylistic matchup—Strickland's volume striking versus Chimaev's grappling-heavy approach—remains contested among analysts.
Traders should monitor official UFC injury announcements and any weight-cut complications in the weeks preceding the event, as either fighter's withdrawal would trigger a 50-50 resolution. The settlement window closes 10 May 2026 at 03:59:59 UTC, allowing approximately 24 hours post-fight for official UFC scorecards and results to be published. Any declaration of a draw, technical draw, or no contest similarly resolves the conditional token to 50-50, creating tail-risk scenarios distinct from outright winner markets.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade UFC 328: Sean Strickland vs. Khamzat Chimaev (Middle… on PolyGram
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