Philadelphia: Simona Waltert vs Fiona Crawley

Platform comparison

Market context

Simona Waltert is the clear favourite over Fiona Crawley in Philadelphia, and the market’s 0% YES implies a near-total lean towards Waltert. The live match data showed Waltert ranked around WTA No. 85-87 and Crawley around No. 264-267, with pre-match prices also clustering heavily in Waltert’s favour, so the consensus case was a routine higher-ranked-player win on hard court.

The useful handicapper’s read is that this is not a spot where the underdog needs much to be alive; the only real value angle would have sat with Crawley if the market had materially overreacted to Waltert’s ranking edge. Comparable WTA 125 first-round and early-round fixtures often price the seed or higher-ranked player as a strong favourite, but the upset line can narrow if the favourite arrives short of match sharpness or the draw conditions favour a counterpuncher.

For traders, the key catalysts are straightforward: official match status, any revised order of play, and whether the match was completed before the settlement deadline. The public scoreboard and tournament pages showed the contest as played on 24 August and later recorded as finished 2-0 to Crawley, which is the decisive factor for resolution rather than pre-match expectation. If there had been a retirement, suspension, or abandonment, the market rules on incomplete matches would have mattered more than the pre-event pricing.

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Methodology

We track Philadelphia: Simona Waltert vs Fiona Crawley 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

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 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.