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MARKET RESOLVEDKalshi / Polymarket US / Novig / Polymarket / ProphetX

Elena Rybakina Wins: Elena Rybakina vs. Aryna Sabalenka

WTA·Resolved 2026-09-12

This market resolved on 2026-09-12. Elena Rybakina was the officially declared outcome. Prior to resolution, the market peaked at 90%.

About This Market

Elena Rybakina vs.

Elena Rybakina vs. Aryna Sabalenka: WTA Tennis match held on 2026-09-12. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities

Learn more:How to Read Prediction Market Prices Compare Fees Before You Trade New to Polymarket?

Market RulebooksOfficial settlement criteria and edge cases

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

Rules for Candidate:

Kalshi

Primary Rule

If Aryna Sabalenka wins the Sabalenka vs Rybakina professional tennis match in the 2026 US Open Women Singles Final after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Sabalenka vs Rybakina professional tennis match in the 2026 US Open Women Singles Final 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

Novig

Primary Rule

Aryna Sabalenka in Elena Rybakina @ Aryna Sabalenka Finals (WTA); settled by Novig.

Edge Cases

If the contract cannot be settled on the stated outcome, Novig settles it at fair market value (FMV) instead of refunding it.

Polymarket

Primary Rule

This market refers to the tennis match between Aryna Sabalenka and Elena Rybakina in the US Open WTA, originally scheduled for September 12, 2026 at 4:00PM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Elena Rybakina. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Aryna Sabalenka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 2026, 11:59 PM ET (14 days after the scheduled start), 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 US

Primary Rule

This market will settle to the winner of the Aryna Sabalenka vs Elena Rybakina WTA match scheduled for September 12 at 4:00PM. 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.

ProphetX

Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles

ProphetX Rules

Frequently Asked Questions

What does the Elena Rybakina vs. Aryna Sabalenka prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Novig, Polymarket, ProphetX 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. Aryna Sabalenka odds?

The last available prices are Elena Rybakina: 97.5¢ on Kalshi, 99.9¢ on Polymarket, 89.8¢ on ProphetX, 53.5¢ on Polymarket US, 60.0¢ on Novig; Aryna Sabalenka: 2.5¢ on Kalshi, 0.1¢ on Polymarket, 12.4¢ on ProphetX, 46.5¢ on Polymarket US, 40.0¢ on Novig. 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. Aryna Sabalenka odds vary across prediction markets?

The largest price difference shown across venues is 46.4 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. Aryna Sabalenka prediction market payouts work?

For example, Elena Rybakina at 80.1¢ implies about a 80.1% 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.

Candidate
Elena RybakinaWINNER	98%	54%	60%	100%	90%
Aryna Sabalenka	3%	47%	40%	0%	12%

Elena Rybakina Wins: Elena Rybakina vs. Aryna Sabalenka

About This Market

Price History

Elena Rybakina Wins: Elena Rybakina vs. Aryna Sabalenka

About This Market

Price History

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Frequently Asked Questions

Elena Rybakina Wins: Elena Rybakina vs. Aryna Sabalenka

About This Market

Price History

Elena Rybakina Wins: Elena Rybakina vs. Aryna Sabalenka

About This Market

Price History

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Resolution Oracles

Market Rulebook: Elena Rybakina vs. Aryna Sabalenka

Frequently Asked Questions