Best opening price: Arsenal paid $1.21, Hull City paid $17.00, a draw paid $7.75 (the best of 24 bookies). Prices change before kickoff.
Fair chance at the open (our read of the prices, with the bookies' cut taken out): Arsenal about 8 in 10, a draw about 1 in 10, Hull City about 1 in 10.
How much the bookies keep: about $6.93 of every $100 bet on this game.
Prices from when betting opened on Sat 24 Oct