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 0.5 | 100% |
| O/U 1.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| FC Inter Turku O/U 0.5 | 100% |
| FC Inter Turku O/U 1.5 | 100% |
| FC Inter Turku 1st Half O/U 0.5 | 100% |
| Team to Advance | 97% |
| FC Inter Turku (-1.5) | 77% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| FC Inter Turku 2nd Half O/U 0.5 | 50% |
| FC Inter Turku 2nd Half O/U 1.5 | 50% |
| Rams Başakşehir FK 2nd Half O/U 0.5 | 50% |
| Rams Başakşehir FK O/U 0.5 | 47% |
| Rams Başakşehir FK O/U 1.5 | 44% |
| FC Inter Turku O/U 2.5 | 29% |
| Rams Başakşehir FK O/U 2.5 | 27% |
| O/U 2.5 | 26% |
| Rams Başakşehir FK 2nd Half O/U 1.5 | 25% |
| Both Teams to Score | 18% |
| FC Inter Turku (-2.5) | 10% |
| O/U 4.5 | 6% |
| Rams Başakşehir FK (-1.5) | 5% |
| O/U 3.5 | 4% |
| O/U 5.5 | 3% |
| Rams Başakşehir FK (-2.5) | 2% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| FC Inter Turku 1st Half O/U 1.5 | 0% |
| Rams Başakşehir FK 1st Half O/U 0.5 | 0% |
| Rams Başakşehir FK 1st Half O/U 1.5 | 0% |
Market context
Inter Turku’s second-leg home tie with Başakşehir is still live after the first meeting finished 1-1 in Istanbul, so the “more markets” contract is really a referendum on whether this qualifying round produces another open, decisive game rather than a cautious one. The crowd’s 77% YES price is consistent with the underlying scoring profile: FootballCritic’s preview shows Inter Turku averaging 1.95 goals per game and Başakşehir 1.80 across their recent sample, with both sides clearing 2.5 goals in a large share of matches[1]. That makes a YES outcome easier to justify than in a low-tempo knockout fixture, although the first leg itself was only level at half-time before the scores moved late[2][5].
For traders, the key catalyst is the actual match state rather than pre-match narrative: any early goal, red card or conservative first hour can swing the probability sharply because this market settles on the match outcome, and the contract’s window runs to the end of play on 30 July[4]. The main football dependency is that the winner advances to face the Vaduz-Atlètic Club d’Escaldes qualifier in the next round, which can affect incentive structure if the tie is still balanced deep into the second leg[2]. On the crypto side, any wider move in BTC and ETH risk appetite can matter indirectly for on-chain market participation, but no direct exchange-flow catalyst is required here unless broader funding or whale activity is spilling into prediction-market positioning.
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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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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