Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya | 0% Sinja Kraus | 100% Anna Kalinskaya |
| Completed Match | 100% YES | 0% NO |
| Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya Match O/U 21.5 | 0% Over | 100% Under |
| Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya Match O/U 22.5 | 0% Over | 100% Under |
| Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya Match O/U 23.5 | 0% Over | 100% Under |
| Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya Set 1 O/U 8.5 | 100% Over | 0% Under |
Market context
Polymarket currently prices **0% YES** on the Sinja Kraus side of this Bad Homburg Open match, so the contract is effectively sitting at the market’s floor even though Tennis.com’s projection gives Anna Kalinskaya the edge at about **66%** to Kraus’s **34%**.[1][2] For a Polymarket user, that means the USDC-backed conditional token is trading as if Kraus advancing is essentially off the table, while any non-standard outcome still matters because the market can settle 50-50 if the match is not played, ends in a tie, or is delayed beyond the rules window.[2]
That framing matters because tennis markets often move sharply on small pre-match changes, especially when one player is already favoured by the broader price set. FanDuel has Kalinskaya strongly ahead in its outright pricing, with Kraus available at roughly **3.0** and Kalinskaya around **1.43**, which is consistent with a one-sided pre-match setup rather than a coin-flip.[3][4] In comparable WTA first-round spots, the market usually follows the same pattern: the favourite’s price compresses further if line-ups hold and the match remains scheduled, while the underdog only picks up value if there is late uncertainty around court order, withdrawal risk, or a restart that could trigger the market’s special settlement rules.[2]
The main catalysts are operational rather than narrative: the official start time, any tournament scheduling changes, and whether play actually begins in a way that avoids the 50-50 fallback in the contract terms.[2][5] Tennis.com lists the match as a Round 1 meeting in Bad Homburg, and live scoring services show it as a scheduled same-day contest, so traders should watch for final court assignments, pre-match withdrawals, and any postponement that pushes the fixture outside the seven-day settlement threshold.[1][5][9]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in 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.
Trade Bad Homburg Open: Sinja Kraus vs Anna Kalinskaya on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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