When does this prediction market close?

This market is scheduled to resolve 2 months (Oct 5, 2026). After resolution, winning shares pay out $1.00 each.

PolymarketsportsMulti-Outcome

Will the Seattle Mariners win more than 88.5 games in the 2026 MLB Regular Season?

Seattle Mariners

Updated 2 months ago

This market will resolve to "O 88.5" if the Seattle Mariners win more than 88.5 games during the 2026 MLB Regular Season. Currently 43.0% on Polymarket, with $3,740 in total trading volume.

Current Probability

43.0%-0.01%24h

Trade on Polymarket

O 88.5U 88.5

If O 88.5 wins

$2.33 return per $1

If U 88.5 wins

$1.75 return per $1

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Resolution Criteria

From Polymarket

This market will resolve to "O 88.5" if the Seattle Mariners win more than 88.5 games during the 2026 MLB Regular Season.

If at any point it becomes statistically impossible for the Seattle Mariners to record more than 88.5 wins per the rules of the MLB, the corresponding market will resolve to "U 88.5".

If the MLB Regular Season is cancelled, partially completed, or postponed after November 30, 2026, 11:59 PM ET, this market will resolve to "50-50".

The resolution source will be official information from Major League Baseball (https://www.mlb.com/standings/); however a consensus of credible reporting may also be used.

View full rules

Listed on Polymarket Mar 3, 2026 · Resolves Oct 5, 2026