Multiple MLB teams have posted double-digit winning streaks early in 2026, including the Cubs’ pair of 10-game runs in April and early May, yet the market’s tight clustering around the 13-21 game range reflects the league’s overall parity and the difficulty of sustaining momentum. Strong records from clubs like the Rays, Braves, Dodgers, and Yankees create multiple plausible candidates, while factors such as pitching depth, travel demands, and increasingly tough opponents typically cap streaks well short of historical extremes like the 2017 Indians’ 22-game mark. With no team currently exceeding 10 straight and the season still in its first third, traders see realistic paths for a 16-21 game peak alongside the chance a hotter squad pushes higher or several contenders keep the longest mark in the mid-teens.