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Live prediction market odds for Rira Kosaka vs. Sayaka Ishii. Compare prices across .

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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVED

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Sayaka Ishii Wins: Rira Kosaka vs. Sayaka Ishii

ITF Women·Resolved 2026-09-22

This market resolved on 2026-09-22. Sayaka Ishii was the officially declared outcome.

About This Market

Rira Kosaka vs.

Rira Kosaka vs. Sayaka Ishii: ITF Women's World Tennis Tour match held on 2026-09-22. Review the historical prediction market odds from Kalshi and Polymarket on Prediction Hunt.

Price History

Multi-Platform Probabilities
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Final odds
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Final Closing Odds

0 platforms
Candidate
Rira Kosaka
Sayaka IshiiWINNER

Resolution Oracles

Read Full Market Rulebooks
Stats
Spread0.0%
Platforms0
Candidates2
Winner

Rira Kosaka

0.0% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Rira Kosaka vs. Sayaka Ishii

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

Polymarket USPolymarket US
Primary Rule

This market will settle to the winner of the Sayaka Ishii vs Rira Kosaka ITF match scheduled for Sep 22, 2026. If the match does not begin due to a walkover, withdrawal, or cancellation, the market will settle to $0.50. If the match is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to $0.50. Outcome sourced from ITF.

Frequently Asked Questions

What does the Rira Kosaka vs. Sayaka Ishii prediction market track?

The outcomes listed above show how traders are pricing this question. Venue prices are not currently available on this page. 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 Rira Kosaka vs. Sayaka Ishii odds?

No historical prices are available on this page. The last available price is not necessarily the final settlement price.

Why do Rira Kosaka vs. Sayaka Ishii odds vary across prediction markets?

Venues have different traders, liquidity and fees, so their prices can differ. A cross-platform comparison needs available prices for the same outcome on at least two venues.

How do Rira Kosaka vs. Sayaka Ishii prediction market payouts work?

For example, a 40¢ price implies about a 40% 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.