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: Lina Gjorcheska vs Deborah Chiesa Total Sets: O/U 2.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 1 Winner | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Match O/U 21.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 2 O/U 8.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 1 O/U 8.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Match O/U 22.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 1 O/U 9.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Match O/U 23.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 1 O/U 10.5 | 100% |
| Rome: Lina Gjorcheska vs Deborah Chiesa | 0% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 2 Winner | 0% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set Handicap +/-1.5 | 0% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 2 O/U 9.5 | 0% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set Handicap +/-1.5 | 0% |
| Rome: Lina Gjorcheska vs Deborah Chiesa Set 2 O/U 10.5 | 0% |
Market context
Lina Gjorcheska and Deborah Chiesa are scheduled to meet in Rome on 13 July 2026 at 10:00 AM ET, with the match forming part of the broader tennis calendar in the lead-up to the summer season. The 0% crowd-implied probability reflects either extreme confidence in one player's superiority, minimal trading volume on this particular fixture, or genuine uncertainty about whether the match will proceed as scheduled. Settlement occurs on 20 July 2026 at 14:00 UTC, allowing a seven-day buffer for completion or rescheduling before the market resolves to 50-50 in the event of cancellation or extended delay.
Historical precedent in tennis prediction markets shows that matches involving lower-ranked or less-publicised players often trade at extreme probabilities early, then shift sharply once betting volume increases or injury reports surface. Gjorcheska and Chiesa's head-to-head record, recent form on clay, and ranking differential will anchor rational pricing once traders begin positioning. The 0% reading suggests either a data gap in the market's liquidity or a consensus view that requires verification against ATP/WTA rankings and recent tournament results.
Traders should monitor the ATP and WTA official schedules through late June for any withdrawal announcements, weather disruptions affecting the Rome venue, or late injury disclosures. Funding rates on major crypto pairs have remained stable in recent weeks, so macro volatility is unlikely to drive match-specific trading unless broader market stress forces liquidations. Settlement in USDC on btc-prediction.bet will execute once the match concludes and official results are confirmed by the governing bodies.
Methodology
This page reads Rome: Lina Gjorcheska vs Deborah Chiesa 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
- 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.
- 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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