Kalshi

4.9

Sign-up bonus

Get a $35 trading bonus

Sign-up bonus on Kalshi.

Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket / ProphetX

Iga Swiatek Wins: Emiliana Arango vs. Iga Swiatek

WTA·Resolved 2026-08-16

This market resolved on 2026-08-16. Iga Swiatek was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Emiliana Arango vs.

Emiliana Arango vs. Iga Swiatek — WTA Tennis match held on 2026-08-16. 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 and ProphetX.

Rules for Candidate:

Kalshi

Primary Rule

If Emiliana Arango wins the Swiatek vs Arango professional tennis match in the 2026 WTA Cincinnati Round Of 64 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Swiatek vs Arango professional tennis match in the 2026 WTA Cincinnati Round Of 64 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 Iga Swiatek and Emiliana Arango in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Iga Swiatek' if Iga Swiatek advances against Emiliana Arango. This market will resolve to 'Emiliana Arango' if Emiliana Arango advances against Iga Swiatek. 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

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 Emiliana Arango vs. Iga Swiatek prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, 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 Emiliana Arango vs. Iga Swiatek odds?

The last available prices are Iga Swiatek: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 97.4¢ on ProphetX; Emiliana Arango: 1.0¢ on Kalshi, 0.1¢ on Polymarket, 4.3¢ on ProphetX. 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 Emiliana Arango vs. Iga Swiatek odds vary across prediction markets?

The largest price difference shown across venues is 4.2 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 Emiliana Arango vs. Iga Swiatek prediction market payouts work?

For example, Iga Swiatek at 98.8¢ implies about a 98.8% 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
Iga SwiatekWINNER	99%	100%	97%
Emiliana Arango	1%	0%	4%

Iga Swiatek Wins: Emiliana Arango vs. Iga Swiatek

About This Market

Price History

Iga Swiatek Wins: Emiliana Arango vs. Iga Swiatek

About This Market

Price History

Related Markets

Detroit Lions vs. Carolina Panthers

Northwestern State Demons vs. Lamar Cardinals

Minnesota Wild vs. Nashville Predators

AFC Championship Winner

Britt Du Pree vs. Elise Renard

Related Markets

Detroit Lions vs. Carolina Panthers

Northwestern State Demons vs. Lamar Cardinals

Minnesota Wild vs. Nashville Predators

AFC Championship Winner

Britt Du Pree vs. Elise Renard

Final Closing Odds

Resolution Oracles

Frequently Asked Questions

Iga Swiatek Wins: Emiliana Arango vs. Iga Swiatek

About This Market

Price History

Iga Swiatek Wins: Emiliana Arango vs. Iga Swiatek

About This Market

Price History

Related Markets

Detroit Lions vs. Carolina Panthers

Northwestern State Demons vs. Lamar Cardinals

Minnesota Wild vs. Nashville Predators

AFC Championship Winner

Britt Du Pree vs. Elise Renard

Related Markets

Detroit Lions vs. Carolina Panthers

Northwestern State Demons vs. Lamar Cardinals

Minnesota Wild vs. Nashville Predators

AFC Championship Winner

Britt Du Pree vs. Elise Renard

Final Closing Odds

Resolution Oracles

Market Rulebook: Emiliana Arango vs. Iga Swiatek

Frequently Asked Questions