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Prediction market on polymarket_us. This market will settle to Yes if the Seattle Mariners finish with the highest 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 highest 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.
Resolves: 10/11/2026.