MLB Worst Regular Season Record: Seattle Mariners

Track live probability, outcome prices, volume, liquidity, and resolution details for MLB Worst Regular Season Record: Seattle Mariners. The market currently shows a live probability of 1%.

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This market is currently listed with an end date of Oct 11, 2026. Market timelines can change if the underlying event is postponed, rescheduled, or resolved early.

This market will settle to Yes if the Seattle Mariners finish with the lowest regular season winning percentage in the 2026 MLB season. Outcome sourced from the MLB. If the Seattle Mariners tie with one or more other teams for the lowest regular season winning percentage in the MLB, Yes contract holders receive $1.00 divided by the number of tied teams, rounded down to the nearest cent, per contract.