Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Warsaw: Gabriela Knutson vs Ella Seidel | 100% |
| Completed Match | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 2 O/U 8.5 | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 1 O/U 8.5 | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 2 Winner | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set Handicap +/-1.5 | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 1 Winner | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 2 O/U 9.5 | 100% |
| Warsaw: Gabriela Knutson vs Ella Seidel Match O/U 21.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Total Sets: O/U 2.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 1 O/U 9.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Match O/U 22.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set Handicap +/-1.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 2 O/U 10.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Set 1 O/U 10.5 | 0% |
| Warsaw: Gabriela Knutson vs Ella Seidel Match O/U 23.5 | 0% |
Market context
Gabriela Knutson and Ella Seidel were scheduled for a Warsaw Round of 16 match on hard court, but the live listings now show the contest underway rather than still pending, which is the main change in the last 24–48 hours. The market’s 100% YES pricing reflects that the event has moved from pre-match uncertainty into a live state, so the key question is no longer whether the fixture exists but whether it reaches a completed result inside the settlement window.[1][2][16]
The historical frame points one way on paper: Seidel is the higher-ranked player, with WTA live rankings around No. 105 versus Knutson around No. 219, yet the head-to-head is 1-0 to Knutson from a straight-sets win in February 2025.[1][3] That kind of split profile matters because markets in WTA 125-level draws can overreact to ranking alone, while recent match conditions and scoreline context often decide whether the favourite actually advances.[2][5]
Traders should watch the official Warsaw draw and score feed for any retirement, walkover, or suspension, because those are the events most likely to force a 50-50 settlement if no winner is recorded promptly.[16] The tournament page currently places the match on Court 1 in the Round of 16, and third-party live pages already show in-play scoring, so the near-term catalyst is simply whether play finishes cleanly or is interrupted before an official advance is confirmed.[6][9][16]
Methodology
This page reviews Warsaw: Gabriela Knutson vs Ella Seidel across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.
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
- 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.
- 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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