José Ramírez leads the MLB Postseason stolen bases market at 29% implied probability amid a crowded field, followed by Chandler Simpson at 21% and several others in the teens, reflecting the absence of a dominant speed threat through early October rounds. Speed-oriented players like Jazz Chisholm Jr., who has paced active postseason leaders with four steals, Jackson Chourio, Brice Turang, and Miguel Vargas remain viable as their respective teams advance, while regular-season standouts such as Simpson continue contributing on the bases in limited opportunities. Ongoing series, including Guardians-White Sox and Rays-Yankees matchups, plus potential deep runs by multiple clubs, sustain the tight distribution as basestealing volume depends on remaining games, matchups, and individual opportunities rather than any single frontrunner.