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 |
|---|---|
| Completed Match | 100% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 1 O/U 8.5 | 100% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Game Spread +/-1.5 | 100% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set Handicap +/-1.5 | 100% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 2 Winner | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 1 Winner | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 2 O/U 8.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Match O/U 21.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Total Sets: O/U 2.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Match O/U 22.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 2 O/U 9.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 1 O/U 9.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 2 O/U 10.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Match O/U 23.5 | 0% |
| US Open WTA: Oksana Selekhmeteva vs Kamilla Rakhimova Set 1 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to us open wta: oksana selekhmeteva vs kamilla rakhimova. This market refers to the tennis match between Oksana Selekhmeteva and Kamilla Rakhimova in the US Open WTA, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Oks…
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
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 PolyGram. 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 WTA: Oksana Selekhmeteva vs Kamilla Rakhimova on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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