Both 2026 gubernatorial contests feature Democratic incumbents with stable double-digit leads in late polling. Josh Shapiro holds a roughly 20- to 23-point advantage over Stacy Garrity in Pennsylvania aggregates, while JB Pritzker leads Darren Bailey by about 20 points in Illinois surveys that also show independent Collin Corbett near 6 percent. Recent Pennsylvania debate activity and consistent fundraising edges have not narrowed either gap materially. Traders therefore assess the expected victory margins as nearly identical, producing the narrow 55 percent consensus that Pennsylvania will finish the closer of the two races on November 3.