Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 2 O/U 8.5 | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 2 Winner | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 1 O/U 8.5 | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Total Sets: O/U 3.5 | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 2 O/U 9.5 | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 1 O/U 9.5 | 100% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Game Spread +/-1.5 | 51% |
| Completed Match | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set Handicap +/-1.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Total Sets: O/U 4.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 4 Winner | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Match O/U 40.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 3 O/U 8.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 3 O/U 9.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 3 O/U 10.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 4 O/U 8.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 4 O/U 9.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 4 O/U 10.5 | 50% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Match O/U 36.5 | 49% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 3 Winner | 47% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov | 42% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Match O/U 38.5 | 37% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set Handicap +/-2.5 | 1% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 1 Winner | 0% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 2 O/U 10.5 | 0% |
| US Open ATP: Miomir Kecmanovic vs Denis Shapovalov Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of us open atp: miomir kecmanovic vs denis shapovalov. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Miomir Kecmanovic and Denis Shapovalov in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET. This market will …
Methodology
This page reviews US Open ATP: Miomir Kecmanovic vs Denis Shapovalov across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
Trade US Open ATP: Miomir Kecmanovic vs Denis Shapovalov on Best Prediction Markets
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