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MARKET RESOLVEDKalshi / Polymarket US / Polymarket

Sporting CP Wins: Sporting CP vs. Rio Ave

Liga Portugal·Resolved 2026-08-28

This market resolved on 2026-08-28. Sporting CP 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 and Polymarket US.

Rules for Candidate:

Kalshi

Primary Rule

If Rio Ave wins the Rio Ave vs Sporting CP professional Liga Portugal soccer game originally scheduled for Aug 28, 2026 after 90 minutes plus stoppage time (does not include extra time or penalties), then the market resolves to Yes.

Edge Cases

The following market refers to the Rio Ave vs Sporting CP professional Liga Portugal soccer game originally scheduled for Aug 28, 2026 after 90 minutes plus stoppage time (does not include extra time or penalties). If the game ends in a tie, the market called "Tie" resolves to Yes. If the game is cancelled or rescheduled to over 48 hours away, the market will resolve to a fair price in accordance with the rules. 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

In the upcoming game, scheduled for August 28, 2026 If Rio Ave FC wins, this market will resolve to "Yes". Otherwise, this market will resolve to "No". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve "No". This market refers only to the outcome within the first 90 minutes of regular play plus stoppage time. The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead. All markets will settle based on the official final result as recognized by the governing body or event organizers. Revisions to officially declared final scores made after market resolution will not be accounted for in determining the outcome.

Resolution Oracles

UMA Optimistic OracleConsensus of Sources

Polymarket US

Primary Rule

This market will settle to the winner at the end of 90 minutes plus stoppage time in the Rio Ave FC vs Sporting CP Liga Portugal match scheduled for 2026-08-28 3:15PM ET. If the match is tied following 90 minutes plus stoppage time, the market will settle to Tie. 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 the last fair market price. Outcome sourced from Liga Portugal.

Frequently Asked Questions

What does the Sporting CP vs. Rio Ave prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, 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 Sporting CP vs. Rio Ave odds?

The last available prices are Sporting CP: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 99.0¢ on Polymarket US; Draw: 1.0¢ on Kalshi, 0.5¢ on Polymarket, 2.0¢ on Polymarket US; Rio Ave: 1.0¢ on Kalshi, 1.1¢ on Polymarket, 1.0¢ on Polymarket US. 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 Sporting CP vs. Rio Ave odds vary across prediction markets?

The largest price difference shown across venues is 1.5 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 Sporting CP vs. Rio Ave prediction market payouts work?

For example, Sporting CP 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
Sporting CPWINNER	99%	99%	100%
Draw	1%	2%	1%
Rio Ave	1%	1%	1%

Sporting CP Wins: Sporting CP vs. Rio Ave

Sporting CP Wins: Sporting CP vs. Rio Ave

About This Market

Price History

Final Closing Odds

Resolution Oracles

Frequently Asked Questions

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Sporting CP Wins: Sporting CP vs. Rio Ave

Sporting CP Wins: Sporting CP vs. Rio Ave

About This Market

Price History

Final Closing Odds

Resolution Oracles

Market Rulebook: Sporting CP vs. Rio Ave

Frequently Asked Questions

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