MLB World Series Champion 2026 — Seattle Mariners

No100%
Yes0%

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ResolvesOct 31, 2026next month

Resolution rules

This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”. If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

The same question elsewhere

View the combined question →
Comparable, not identical. Opinion and Polymarket specify October 31, 2026 settlement times, while Myriad and PredictFun resolve after the tournament; PredictFun is already settled No. Myriad uses MLB as its source and resolves cancellation/no winner to No, whereas the others specify an “Other” outcome; these are non-material resolution-rule differences.
  • Opinionthis market

    MLB World Series Champion 2026 — Seattle Mariners

    This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”. If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

    read Sep 28, 04:26 AM UTC

  • PolymarketOpen →

    Will the Seattle Mariners win the 2026 World Series?

    This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”. If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

    176 holders · 38 comments · read Sep 20, 05:52 AM UTC

  • PredictFunOpen →

    Will the Seattle Mariners win the 2026 World Series?

    This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”. If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

    read Sep 22, 09:24 AM UTC

  • MyriadOpen →

    Will the Seattle Mariners win the 2026 World Series?

    ### **Market Dates:** - **Market Period**: From the publication date through December 31, 2026, at 11:59 PM ET. - **Market Close:** December 31, 2026, at 11:59 PM ET. - **Resolution Deadline:** The resolution will be determined after the final games of the tournament are completed. ### **Resolution Criteria:** - Resolves to “**Yes**” for the winning team of the MLB World Series 2026 tournament, provided they are listed as an outcome in this market. - Resolves to “**No**” for all other teams. ### **Resolution Details:** - This market will only be resolved through official results posted from the event organizer. - In case the resolution source fails to upload, a consensus of credible reporting can be used to resolve. - If no winner is declared during the Market Period, this market will resolve to ”No“ for all available options. ### **Cancellation Conditions:** - Any circumstance makes it impossible to determine the outcome definitively. In the event of cancellation, participants may claim their stakes at the market value of their open positions at the time of cancellation. This could result in a profit or a loss, depending on the price of their outstanding shares.

    read Sep 30, 10:37 AM UTC

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As of Sep 30, 10:49 AM UTC