Best opening price: Ohio State Buckeyes paid $1.27, Northwestern Wildcats paid $4.10 (the best of 4 bookies). Prices change before kickoff.
Fair chance at the open (our read of the prices, with the bookies' cut taken out): Ohio State Buckeyes about 8 in 10, Northwestern Wildcats about 2 in 10.
How much the bookies keep: about $4.62 of every $100 bet on this game.
Since betting opened: the price has barely moved.
Prices from when betting opened on Wed 4 Nov