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MARKET RESOLVEDKalshi / Polymarket

Darya Astakhova Wins: Darya Astakhova vs. Haruka Kaji

WTA·Resolved 2026-09-19

This market resolved on 2026-09-19. Darya Astakhova was the officially declared outcome. Prior to resolution, the market peaked at 98%.

About This Market

Darya Astakhova vs.

Darya Astakhova vs. Haruka Kaji: WTA Tennis match held on 2026-09-19. 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 Polymarket.

Rules for Candidate:

Kalshi

Primary Rule

If Haruka Kaji wins the Kaji vs Astakhova professional tennis match in the 2026 WTA Seoul Qualification Round 1 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Kaji vs Astakhova professional tennis match in the 2026 WTA Seoul Qualification Round 1 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

Polymarket

Primary Rule

This market refers to the tennis match between Haruka Kaji and Darya Astakhova in the Korea Open, Qualification, originally scheduled for September 18, 2026 at 10:00PM ET. This market will resolve to 'Haruka Kaji' if Haruka Kaji advances against Darya Astakhova. This market will resolve to 'Darya Astakhova' if Darya Astakhova advances against Haruka Kaji. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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

Frequently Asked Questions

What does the Darya Astakhova vs. Haruka Kaji prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, 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 Darya Astakhova vs. Haruka Kaji odds?

The last available prices are Darya Astakhova: 99.5¢ on Kalshi, 97.0¢ on Polymarket; Haruka Kaji: 0.5¢ on Kalshi, 3.0¢ on Polymarket. 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 Darya Astakhova vs. Haruka Kaji odds vary across prediction markets?

The largest price difference shown across venues is 2.5 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 Darya Astakhova vs. Haruka Kaji prediction market payouts work?

For example, Darya Astakhova at 98.3¢ implies about a 98.3% 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
Darya AstakhovaWINNER	100%	97%
Haruka Kaji	1%	3%

Darya Astakhova Wins: Darya Astakhova vs. Haruka Kaji

About This Market

Price History

Darya Astakhova Wins: Darya Astakhova vs. Haruka Kaji

About This Market

Price History

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Final Closing Odds

Resolution Oracles

Frequently Asked Questions

Darya Astakhova Wins: Darya Astakhova vs. Haruka Kaji

About This Market

Price History

Darya Astakhova Wins: Darya Astakhova vs. Haruka Kaji

About This Market

Price History

Related Markets

Mak Mikovic vs. Pietro Marino

Anna Snigireva vs. Caterina Odorizzi

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Final Closing Odds

Resolution Oracles

Market Rulebook: Darya Astakhova vs. Haruka Kaji

Frequently Asked Questions