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: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 8.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 Winner | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 9.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 10.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Total Sets: O/U 2.5 | 75% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 21.5 | 75% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 22.5 | 75% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 23.5 | 75% |
| Completed Match | 50% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set Handicap +/-1.5 | 25% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte | 12% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set Handicap +/-1.5 | 5% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 Winner | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 8.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 9.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 10.5 | 0% |
Market context
The Warsaw meeting between Katarzyna Kawa and Justina Mikulskyte is priced as a clear Kawa favourite, and that is the main change traders are reacting to in the last 24–48 hours: market prices around 76¢ for Kawa versus 25¢ for Mikulskyte imply roughly a three-in-one edge for the Pole, while bookmaker boards have Kawa around 1.28–1.36 and Mikulskyte around 3.00–3.79.[1][3] TennisTemple also lists Kawa as the higher-ranked player, at WTA 137 versus Mikulskyte’s WTA 241, which helps explain why the crowd-implied 12% yes price looks much lower than the external match market and suggests the prediction market is assigning a meaningful upset or settlement-risk discount.[1][8]
The closest comparable frame is a standard WTA main-draw mismatch rather than a coin flip: when the rank gap is this wide, pre-match money usually sits with the higher-ranked player unless there is a late withdrawal, scheduling change, or physical issue.[1][4] Head-to-head data is sparse, so there is little historical evidence to separate the pair, which leaves traders leaning on ranking, surface fit and current form rather than prior match-up patterns.[4][7] The small probability on the market side is therefore easier to read as a view on execution risk and tournament uncertainty than on a balanced tennis contest.
The key catalysts now are simple: whether the match starts on schedule, whether the order of play shifts, and whether either player is reported as doubtful or retired before first serve.[5][8][11] Current listings still point to a same-day Warsaw slot, but those schedules can move quickly in WTA events, and any delay beyond seven days would push the market to 50-50 under the rules. If the match goes ahead, the live price should track whether Kawa converts her ranking edge into a routine straight-sets win or whether Mikulskyte drags it into a longer, more volatile contest.[1][8]
Methodology
We track Warsaw: Katarzyna Kawa vs Justina Mikulskyte 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.
- 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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