Home › Prediction Markets › Sports Prediction Markets › Will the Seattle Mariners win the 2026 World Series? Will the Seattle Mariners win the 2026 World Series? Will the Seattle Mariners win the 2026 World Series? It is currently trading at a 2% probability on Polymarket. Reported volume is $856.5K. Scheduled resolution: October 31, 2026. Last updated August 31, 2026 at 11:09 PM ET Current Market Probability Probability Price Volume Liquidity Platform Status Resolution date Chart 2% 0.02 $856.5K $85.1K Polymarket Open October 31, 2026 Market Information Category Event Source Sports Prediction Markets MLB World Series Champion 2026 View on Polymarket Historical Market Probability 7 days ago 30 days ago 90 days ago Current 2% 4% 7% 2% Related Prediction Markets Will the Chicago White Sox win the 2026 World Series? Will the Washington Nationals win the 2026 World Series? Will the St. Louis Cardinals win the 2026 World Series? Will the Boston Red Sox win the 2026 World Series? Will the Miami Marlins win the 2026 World Series? Will the Baltimore Orioles win the 2026 World Series? Will the Los Angeles Angels win the 2026 World Series? Will the Houston Astros win the 2026 World Series? Popular Prediction Markets Will Adanech Abiebie be the next Prime Minister of Ethiopia? Will Jesus Christ return before 2027? Will the U.S. invade Iran before 2027? Will Gedion Timothewos be the next Prime Minister of Ethiopia? Will LeBron James win the 2028 US Presidential Election?
