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 |
|---|---|
| San Marino: Timofey Skatov vs Otto Virtanen | 100% |
| Completed Match | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 1 Winner | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 2 Winner | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 2 O/U 8.5 | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set Handicap +/-1.5 | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 2 O/U 9.5 | 100% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 1 O/U 8.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Total Sets: O/U 2.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Match O/U 21.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 1 O/U 9.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 1 O/U 10.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Set Handicap +/-1.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Match O/U 22.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Set 2 O/U 10.5 | 0% |
| San Marino: Timofey Skatov vs Otto Virtanen Match O/U 23.5 | 0% |
Market context
Timofey Skatov and Otto Virtanen are due to meet in San Marino, with the market currently pricing a full 100% on Skatov advancing. The cleanest read on that price is that it reflects a completed or effectively decided match expectation rather than a balanced pre-match view: the pair have already met once, with Skatov beating Virtanen in three sets at Roland Garros in 2023, and the live matchup pages for this event show Skatov as the underdog in ranking terms despite that head-to-head edge.[1][2][7]
The historical frame is therefore mixed. Virtanen’s broader level profile is stronger on paper, with better recent win rates and a notably superior record on faster surfaces, but his clay numbers are weaker than his hard-court or indoor results, while Skatov has the only direct win between them and has shown he can stretch Virtanen on clay.[1][6][12] For a prediction market settled in USDC, the key on-chain point is that the quoted probability only matters if the match is actually completed before the seven-day delay rule expires; if the contest is abandoned, not played, or left without a winner inside the window, settlement can revert to 50-50 under the contract terms.
Traders should watch for ATP draw updates, any schedule slippage in the San Marino event, and whether the fixture has already been pushed to a later slot or resumed from an interrupted state. The practical catalyst is simple: if the match finishes normally, the contract settles on the winner; if play is postponed past the allowed window, the outcome becomes ambiguous and the market’s 100% YES reading can gap materially from the actual resolution mechanics. Recent match listings already show the pairing embedded in the San Marino order of play, which suggests the main risk is not participant replacement but event timing and completion status.[2][5][8]
Methodology
This page reads San Marino: Timofey Skatov vs Otto Virtanen on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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
- 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.
- 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 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.
- 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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