Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
51% | 49% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
51% | 49% | 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 |
|---|---|
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova | 51% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 2 Winner | 51% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 1 Winner | 51% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 1 O/U 8.5 | 51% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Total Sets: O/U 2.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Match O/U 21.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 2 O/U 8.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set Handicap +/-1.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Game Spread +/-3.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Match O/U 22.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 2 O/U 9.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 1 O/U 9.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Match O/U 23.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 2 O/U 10.5 | 50% |
| Monterrey Open: Nikola Bartunkova vs Anastasia Potapova Set 1 O/U 10.5 | 50% |
| Completed Match | 8% |
Market context
Market consensus: 51% chance of monterrey open: nikola bartunkova vs anastasia potapova. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Nikola Bartunkova and Anastasia Potapova in the Monterrey Open, originally scheduled for August 26, 2026 at 12:00PM ET. This market …
Methodology
We track Monterrey Open: Nikola Bartunkova vs Anastasia Potapova 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
- 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.
- 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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