Resolution criteria

This market will resolve to YES if, upon the official completion of Game 4 of the 2026 Major League Baseball (MLB) World Series, the series is in either of the following states:

• The series is tied 2-2 (each team has won 2 games).

• The series stands at 4-0 (one team has swept the series with 4 wins).

This market will resolve to NO if, upon the official completion of Game 4 of the 2026 MLB World Series, the series is in the following state:

• The series stands at 3-1 (one team leads the series with 3 wins to 1 win).

Notes:

• A game is considered complete when MLB officially records it as finished with a winner and a loser. Suspended, postponed, or tie-broken games will not count toward the completion of Game 4 until they are officially finished and logged.

• The primary source of truth will be official matchup data and box scores on MLB.com or historical records on Baseball-Reference.

Background

In a best-of-seven MLB World Series, the standing after exactly four games can only exist in one of three states: 2-2, 4-0, or 3-1.

• A 2-2 tie guarantees that the series will go to at least Game 6.

• A 4-0 sweep concludes the series immediately, crowning a champion in four games.

• A 3-1 margin leaves the leading team one win away from the title while the trailing team faces elimination.

The 2026 MLB regular season is scheduled to end on September 27, 2026, with the postseason beginning on September 29, 2026. Game 1 of the World Series is projected to start on October 23, 2026.

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