Philadelphia: Simona Waltert vs Fiona Crawley

Platform comparison

Market context

Simona Waltert and Fiona Crawley were scheduled to meet in Philadelphia on 24 August on outdoor hard courts, with Waltert the higher-ranked and seeded player and Crawley entering as the lower-ranked home wildcard-type profile. The market’s 0% YES implies the listed side is already effectively dead in live pricing, but the real settlement hinge is still whether the match was actually completed or later voided under the event rules.

The comparison case is straightforward: Waltert has the stronger baseline record on paper, while Crawley’s route is more volatile because she is much lower in the rankings and has less established WTA-level depth. Head-to-head records show no prior meeting in some listings, while another live statistical feed has the match in progress with Waltert leading, which is exactly the sort of discrepancy that can matter for settlement if the scoreline later changed or the fixture was interrupted. If the match finished normally, the winner should be clear; if it did not begin, was abandoned, or no official winner was posted by the deadline, the market can revert to 50-50.

Traders should watch for official draw updates, match-centre status changes and any late schedule compression from the Philadelphia event, because the listed start time was already in the past and several data feeds were still marking the contest as scheduled or live. Any withdrawal, retirement, walkover or score correction before the 7 September deadline would be the key catalyst, especially if the tournament continues to publish live updates that conflict with secondary scoreboards.

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Methodology

Football-specific comparison page for Philadelphia: Simona Waltert vs Fiona Crawley. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

Are prediction markets better than sports betting?

Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.

Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.