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Live prediction market odds for Elena Rybakina vs. Coco Gauff. Compare prices across Kalshi and Polymarket US and Polymarket.

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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket US / Polymarket

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Elena Rybakina Wins: Elena Rybakina vs. Coco Gauff

WTA·Resolved 2026-08-13

This market resolved on 2026-08-13. Elena Rybakina was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Elena Rybakina vs.

Elena Rybakina vs. Coco Gauff — WTA Tennis match held on 2026-08-13. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
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Final odds
Loading 30D data…

Final Closing Odds

3 platforms
Candidate
Kalshi
Polymarket US
Polymarket
Elena RybakinaWINNER
99%99%83%
Coco Gauff
1%1%17%

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
Read Full Market Rulebooks
Stats
Spread16.0%
Platforms3
Candidates2
Winner

Elena Rybakina

93.7% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Elena Rybakina vs. Coco Gauff

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and Polymarket US.

KalshiKalshi
Primary Rule

If Elena Rybakina wins the Gauff vs Rybakina professional tennis match in the 2026 WTA Toronto Semifinal after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Gauff vs Rybakina professional tennis match in the 2026 WTA Toronto Semifinal after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Coco Gauff and Elena Rybakina in the National Bank Open, originally scheduled for August 12, 2026 at 8:30PM ET. This market will resolve to 'Coco Gauff' if Coco Gauff advances against Elena Rybakina. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Coco Gauff. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
Polymarket USPolymarket US
Primary Rule

This market will settle to the winner of the Coco Gauff vs Elena Rybakina WTA match scheduled for August 13 at 11:00AM. If the match does not begin due to a walkover, forfeit, injury, or any other cancellation prior to the first point being played, the market will settle to fair market price. If a player retires during the match, the opponent will be recorded as the winner. Outcome sourced from WTA.

Frequently Asked Questions

What does the Elena Rybakina vs. Coco Gauff prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Elena Rybakina vs. Coco Gauff odds?

The last available prices are Elena Rybakina: 99.0¢ on Kalshi, 83.0¢ on Polymarket, 99.0¢ on Polymarket US; Coco Gauff: 1.0¢ on Kalshi, 17.0¢ on Polymarket, 1.0¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Elena Rybakina vs. Coco Gauff odds vary across prediction markets?

The largest price difference shown across venues is 16.0 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Elena Rybakina vs. Coco Gauff prediction market payouts work?

For example, Elena Rybakina at 93.7¢ implies about a 93.7% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

No price history available