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 |
|---|---|
| Game 1 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Beat Roshan | 100% |
| Ends in Daytime | 100% |
| Any Player Ultra Kill | 100% |
| Game 2 Winner | 0% |
| Game Handicap: TS.A (-1.5) vs RE.Arise (+1.5) | 0% |
| Ends in Daytime | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
| Both Teams Beat Roshan | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
| Ends in Daytime | 0% |
| Both Teams Beat Roshan | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Rampage | 0% |
| Game Handicap: RE.Arise (-1.5) vs Spirit Academy (+1.5) | 0% |
Market context
RE.Arise and Spirit Academy are set to face off in the Upper bracket semifinal of the European Pro League Playoffs, a Best-of-3 match initially scheduled for 6:00 AM ET on 9 July. The crowd-implied probability sits at 100% YES for RE.Arise to win, suggesting near-total market confidence in their victory despite Spirit Academy’s recent competitive form.
Historical precedents in Dota 2 upper bracket clashes show that even heavily favoured teams can falter when facing disciplined academy squads with strong macro execution. In the 28 June 2026 European Pro League Season 39 encounter, Spirit Academy defeated RE.Arise 2–0 in a BO3, indicating that the 100% probability may overlook past volatility and the potential for a repeat upset[7].
Traders should monitor live score feeds and official tournament announcements for any delays or cancellations, as unresolved matches trigger a 50–50 settlement. The match is currently live, with scores showing a 2–1 lead for RE.Arise, but the outcome remains pending until the final game concludes[2]. Settlement occurs via USDC on-chain, with BTC/ETH macro conditions influencing liquidity flows into prediction contracts during event windows.
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.
- 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.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- 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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