Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
81% | 19% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
81% | 19% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 1 O/U 8.5 | 81% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen | 69% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Total Sets: O/U 3.5 | 66% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 2 Winner | 61% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 3 Winner | 60% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 1 Winner | 59% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 1 O/U 9.5 | 59% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Game Spread +/-2.5 | 57% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Match O/U 36.5 | 55% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Match O/U 38.5 | 53% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 2 O/U 8.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set Handicap +/-1.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 2 O/U 9.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 2 O/U 10.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 4 Winner | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 3 O/U 8.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 3 O/U 9.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 3 O/U 10.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 4 O/U 8.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 4 O/U 9.5 | 50% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 4 O/U 10.5 | 50% |
| Completed Match | 49% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Match O/U 40.5 | 48% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set 1 O/U 10.5 | 34% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Total Sets: O/U 4.5 | 31% |
| US Open ATP: Brandon Nakashima vs Alex Michelsen Set Handicap +/-2.5 | 25% |
Market context
Based on real-money crowd forecasting, pronóstico: us open atp: brandon nakashima vs alex michelsen stands at 81% likelihood according to current market consensus. This market refers to the tennis match between Brandon Nakashima and Alex Michelsen in the US Open ATP, originally scheduled for September 2, 2026 at 11:00AM ET. This market will …
Methodology
We track Pronóstico: US Open ATP: Brandon Nakashima vs Alex Michelsen 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
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 Polymarket Qué Es. 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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