Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 2 O/U 8.5 | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 1 O/U 8.5 | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 2 O/U 9.5 | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set Handicap +/-1.5 | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 1 O/U 9.5 | 100% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 1 Winner | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Total Sets: O/U 2.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Match O/U 21.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set Handicap +/-1.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 2 Winner | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Match O/U 22.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 2 O/U 10.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Match O/U 23.5 | 0% |
| National Bank Open: Victoria Jimenez Kasintseva vs Alycia Parks Set 1 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to national bank open: victoria jimenez kasintseva vs alycia parks. This market refers to the tennis match between Victoria Jimenez Kasintseva and Alycia Parks in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve …
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 Kalshi vs Polymarket, 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 Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket 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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