Best price: Magic pay $3.20, Celtics pay $1.43 (the best of 51 bookies we checked). $100 on the Celtics returns $143.
Fair chance (our read of the prices, with the bookies' cut taken out): Magic about 3 in 10, Celtics about 7 in 10.
How much the bookies keep: about $4.04 of every $100 bet on this game.
Since betting opened: the price has barely moved.