Best opening price: Lions paid $1.67, Vikings paid $2.50 (the best of 21 bookies). Prices change before kickoff.
Fair chance at the open (our read of the prices, with the bookies' cut taken out): Lions about 6 in 10, Vikings about 4 in 10.
How much the bookies keep: about $3.28 of every $100 bet on this game.
Since betting opened: the price has barely moved.
Prices from when betting opened on Tue 20 Oct