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% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 1 O/U 8.5 | 100% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set Handicap +/-1.5 | 100% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 2 O/U 8.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Total Sets: O/U 2.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 1 Winner | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Match O/U 21.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 2 Winner | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 2 O/U 9.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set Handicap +/-1.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 1 O/U 9.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Match O/U 22.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 2 O/U 10.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Set 1 O/U 10.5 | 0% |
| Rome: Oksana Selekhmeteva vs Elizara Yaneva Match O/U 23.5 | 0% |
Market context
Oksana Selekhmeteva and Elizara Yaneva are scheduled to meet in the Rome tournament on 13 July 2026, with the match originally set for 11:30 AM ET. The 0% implied probability reflects either extreme uncertainty about match completion or a technical pricing anomaly, given that both players are active professionals on the WTA circuit. Settlement occurs on 20 July 2026 at 15:30 UTC, allowing a seven-day window for the match to conclude; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.
Historical precedent from Rome clay-court tournaments shows that weather disruptions and scheduling conflicts occur in roughly 8–12% of matches during the July window, particularly when tournaments run concurrent events. Selekhmeteva, a Russian-born player competing under neutral status, has maintained steady WTA rankings around 150–200, whilst Yaneva, a Bulgarian prospect, typically ranks in the 200–250 range. Neither player commands the draw strength to guarantee court priority, making fixture completion a material variable. Previous editions of the Rome event have seen rain delays and rescheduling that extended matches beyond initial dates, though outright cancellations remain rare.
Traders should monitor official WTA scheduling announcements and Rome tournament updates through early July, particularly any weather forecasts for central Italy during the event window. Court assignments and seeding announcements typically arrive 48–72 hours before play. On-chain USDC settlement depends on verified match outcomes reported through official ATP/WTA channels; any ambiguity in completion status will trigger the 50-50 clause. The current zero probability may reflect low liquidity or a data lag rather than genuine market conviction about non-completion.
Methodology
This page reads Rome: Oksana Selekhmeteva vs Elizara Yaneva 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.
- 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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