Best opening price: Bears paid $1.82, Patriots paid $2.16 (the best of 10 bookies). Prices change before kickoff.
Fair chance at the open (our read of the prices, with the bookies' cut taken out): Bears about 5 in 10, Patriots about 5 in 10.
How much the bookies keep: about $4.56 of every $100 bet on this game.
Since betting opened: the price has barely moved.
Prices from when betting opened on Tue 13 Oct