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 |
|---|---|
| Completed Match | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Match O/U 21.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 2 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set Handicap +/-1.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Match O/U 22.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 2 O/U 9.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 1 O/U 9.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 1 O/U 10.5 | 100% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina | 0% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Total Sets: O/U 2.5 | 0% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 2 Winner | 0% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 1 Winner | 0% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Match O/U 23.5 | 0% |
| Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina Set 2 O/U 10.5 | 0% |
Market context
Polina Kudermetova’s meeting with Elina Svitolina at the Washington hard-court event is priced like a routine favourite-versus-underdog spot, even though the market has been left at 0% YES. Independent tennis previews put Svitolina well ahead: one model gives her roughly a 77% win chance, while another match page shows about 79% projected winner probability, with Kudermetova around 21%.[1][11] The pair have no recorded main-tour head-to-head, so traders are reading form, ranking and surface rather than any direct matchup history.[3][8]
That matters because Svitolina enters as the established top-end player, while Kudermetova has already spent more time on court in Washington after a three-set win over Cristina Bucsa.[13] Comparable pricing across tennis books and preview sites has consistently leaned towards Svitolina, with one preview listing her around -526 on the moneyline and another calling her the straight-sets pick.[10][2] On a prediction market settled in USDC, the main mechanical risk is not performance but event handling: if the match is delayed, abandoned or not completed within the market’s seven-day window, the contract can fall back to a 50-50 outcome rather than a normal winner resolution.
The live catalysts are schedule integrity, court assignment and whether the match is actually completed before the settlement cutoff. Current listings show the contest as an upcoming round-two/round-of-16 match in Washington, with sources differing slightly on timing and round labelling, which is common when order-of-play pages refresh during a tournament.[1][6][17] For crypto-native traders, the relevant macro overlay is usually secondary here, but USDC-settled contracts can still see flow change if BTC or ETH volatility lifts general risk appetite and arbitrage activity across prediction venues; absent that, tennis-specific news and official draw updates should dominate price discovery.
Methodology
This page reads Mubadala Citi DC Open: Polina Kudermetova vs Elina Svitolina 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
- 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.
- 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.
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