Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska | 100% |
| Completed Match | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 Winner | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Total Sets: O/U 2.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 8.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 8.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 21.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 22.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 9.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 23.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 10.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 Winner | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 9.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 10.5 | 0% |
Market context
Carol Young Suh Lee’s Warsaw meeting with Weronika Falkowska is priced on the market at **88% YES**, which is materially stronger than most non-exchange views available elsewhere. Sportsbook lines point the same way: Sportsbet lists Lee at **1.20** against Falkowska at **3.80**, implying roughly an **83%** win chance for Lee before margin, while BetClan’s model pegs Lee at **83%** and other tennis listing pages show a similar favourite profile.[1][2] On a platform-comparison basis, that makes the current crowd price look somewhat richer than the decimal markets, which matters because Polymarket-style contracts are read as direct probabilities rather than odds, while Betfair and Smarkets users tend to think in prices net of commission and exchange liquidity.
The main historical frame is straightforward: when a player is already trading in the low-80s on conventional books, a prediction market near the high-80s is usually signalling either stronger conviction, thinner liquidity, or a late move after schedule confirmation. The broader market has not flipped to a Falkowska upset narrative; Flashscore still lists the match on 6 August at 06:30, consistent with the original slot, which reduces cancellation risk unless the order of play changes or conditions intervene.[7] For traders comparing venues, the practical difference is that a book’s decimal odds embed margin, while a prediction market quote can move more sharply on small flows, and exchange fees or KYC access can change the effective value of the same view.
Catalysts are likely to be operational rather than form-based: confirmed start time, whether the match is moved on court order, and whether either player withdraws before play. If the match is completed, the market resolves to the listed winner; if it is not played at all, ends level, or drifts beyond seven days without a winner, it settles 50-50, so postponement news matters as much as pre-match strength. In practice, traders watching Polymarket against Betfair or Smarkets should track any drawdowns in available liquidity around the scheduled start, because these venues can diverge most sharply when official timing changes create uncertainty about whether the contract remains a clean head-to-head resolution.
Methodology
This page compares Warsaw: Carol Young Suh Lee vs Weronika Falkowska specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
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