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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket

Maja Chwalinska Wins: Maja Chwalinska vs. Oleksandra Oliynykova

WTA·Resolved 2026-09-23

This market resolved on 2026-09-23. Maja Chwalinska was the officially declared outcome. Prior to resolution, the market peaked at 99%.

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 Oleksandra Oliynykova wins the Oliynykova vs Chwalinska professional tennis match in the 2026 WTA Singapore Round Of 16 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Oliynykova vs Chwalinska professional tennis match in the 2026 WTA Singapore Round Of 16 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 Oleksandra Oliynykova and Maja Chwalinska in the Singapore Open, originally scheduled for September 22, 2026 at 10:00PM ET. This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Maja Chwalinska. This market will resolve to 'Maja Chwalinska' if Maja Chwalinska advances against Oleksandra Oliynykova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 Maja Chwalinska vs. Oleksandra Oliynykova 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 Maja Chwalinska vs. Oleksandra Oliynykova odds?

The last available prices are Maja Chwalinska: 99.0¢ on Kalshi, 99.7¢ on Polymarket; Oleksandra Oliynykova: 1.0¢ on Kalshi, 0.3¢ 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 Maja Chwalinska vs. Oleksandra Oliynykova odds vary across prediction markets?

The largest price difference shown across venues is 0.7 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 Maja Chwalinska vs. Oleksandra Oliynykova prediction market payouts work?

For example, Maja Chwalinska at 99.3¢ implies about a 99.3% 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
Maja ChwalinskaWINNER	99%	100%
Oleksandra Oliynykova	1%	0%

Maja Chwalinska Wins: Maja Chwalinska vs. Oleksandra Oliynykova

Maja Chwalinska Wins: Maja Chwalinska vs. Oleksandra Oliynykova

About This Market

Price History

Final Closing Odds

Resolution Oracles

Frequently Asked Questions

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Maja Chwalinska Wins: Maja Chwalinska vs. Oleksandra Oliynykova

Maja Chwalinska Wins: Maja Chwalinska vs. Oleksandra Oliynykova

About This Market

Price History

Final Closing Odds

Resolution Oracles

Market Rulebook: Maja Chwalinska vs. Oleksandra Oliynykova

Frequently Asked Questions

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Pittsburgh Penguins vs. Philadelphia Flyers

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