Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 8.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 9.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set Handicap +/-1.5 | 60% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 21.5 | 55% |
| Completed Match | 50% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 8.5 | 50% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Game Spread +/-2.5 | 50% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 9.5 | 50% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 10.5 | 50% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 22.5 | 49% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Total Sets: O/U 2.5 | 41% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 23.5 | 41% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 Winner | 40% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova | 18% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 Winner | 0% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of monterrey open: darja vidmanova vs nikola bartunkova. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Darja Vidmanova and Nikola Bartunkova in the Monterrey Open, originally scheduled for August 27, 2026 at 6:30PM ET. This market will…
Methodology
We track Monterrey Open: Darja Vidmanova vs Nikola Bartunkova 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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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