Best opening price: Sunderland paid $4.16, Chelsea paid $2.23, a draw paid $3.77 (the best of 40 bookies). Prices change before kickoff.
Fair chance at the open (our read of the prices, with the bookies' cut taken out): Sunderland about 3 in 10, a draw about 3 in 10, Chelsea about 5 in 10.
How much the bookies keep: about $6.70 of every $100 bet on this game.
Since betting opened: the price has moved toward Sunderland.
Prices from when betting opened on Sun 25 Oct