Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
69% | 31% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
69% | 31% | 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: Grigor Dimitrov vs Alexei Popyrin Set 1 O/U 8.5 | 69% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 2 Winner | 68% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin | 65% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Total Sets: O/U 3.5 | 62% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 1 Winner | 60% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 1 O/U 9.5 | 60% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Match O/U 36.5 | 56% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Game Spread +/-2.5 | 56% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Match O/U 38.5 | 54% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 3 Winner | 51% |
| Completed Match | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 2 O/U 8.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set Handicap +/-1.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 2 O/U 9.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 2 O/U 10.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 4 Winner | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 3 O/U 8.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 3 O/U 9.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 3 O/U 10.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 4 O/U 8.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 4 O/U 9.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 4 O/U 10.5 | 50% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Match O/U 40.5 | 47% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set 1 O/U 10.5 | 38% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Set Handicap +/-2.5 | 28% |
| US Open ATP: Grigor Dimitrov vs Alexei Popyrin Total Sets: O/U 4.5 | 26% |
Market context
Based on real-money crowd forecasting, us open atp: grigor dimitrov vs alexei popyrin stands at 69% likelihood according to current market consensus. This market refers to the tennis match between Grigor Dimitrov and Alexei Popyrin in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET. This market will reso…
Methodology
We track US Open ATP: Grigor Dimitrov vs Alexei Popyrin across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade US Open ATP: Grigor Dimitrov vs Alexei Popyrin on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →