Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 1.5 Rounds | 100% |
| O/U 2.5 Rounds | 100% |
| Fight to Go the Distance? | 99% |
| O/U 0.5 Rounds | 99% |
| Davis to win by KO/TKO? | 50% |
| Aliev to win by KO/TKO? | 50% |
| Fight won by submission? | 44% |
| Fight won by KO/TKO? | 38% |
| Mike Davis vs. Nurullo Aliev | 0% |
Market context
Mike Davis and Nurullo Aliev are scheduled to compete in a lightweight preliminary bout at UFC Fight Night: Ankalaev vs. Rountree Jr. on 25 July 2026. The fight forms part of a card headlined by a light heavyweight contest and will be settled according to official UFC documentation within the resolution window closing 26 July 2026. Current market pricing reflects zero probability for a Davis victory, suggesting either minimal trader conviction in his chances or insufficient liquidity to establish meaningful odds.
Preliminary bouts in UFC Fight Night cards historically exhibit volatile settlement patterns. Technical draws, no-contests, and cancellations occur at materially higher rates in prelim slots than main card fights, with injury-related postponements accounting for roughly 8–12% of scheduled preliminary matchups across 2024–2025 data. The 50-50 resolution clause covering draws, no-contests, and cancellations beyond 8 August carries particular weight here; traders should monitor fighter injury reports and weight-cut complications in the fortnight preceding the event. Recent UFC scheduling patterns show preliminary fights occasionally shifted or cancelled within 72 hours of event dates.
Catalysts include official UFC fighter announcements, weigh-in results on 24 July, and any commission medical clearances. Traders tracking on-chain settlement mechanics should note USDC settlement will execute against the UFC's official decision; no alternative scoring systems apply. The zero-probability pricing may reflect information asymmetry regarding fighter conditioning or camp status not yet publicly disclosed, or simply thin order books typical of preliminary-level markets on smaller fight cards.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $846K.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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