... Call ($) 12, 000 1 ,24 1.00 −1,800 − 1,800 10 ,20 0 1 ,23 8.30 −540 2, 340 9,660 … … … … …… 1 ,23 6 .20 −780 2, 760 9 ,24 0 1 ,22 9.90 −1 ,26 0 −4, 020 7,980 1 ,23 0.80 180 −3,840 12, 180 … … … …… 780 −4, 620 15,180 ... John C Hull 20 12 10 Crude Oil Trading on May 26 , 20 10 Open High Low Settle Change Volume Open Int Jul 20 10 70.06 71.70 69 .21 71.51 2. 76 6,315 388,9 02 Aug 20 10 71 .25 72. 77 70. 42 72. 54 2. 44 3,746 ... 3,746 115,305 Dec 20 10 74.00 75.34 73.17 75 .23 2. 19 5,055 196,033 Dec 20 11 77.01 78.59 76.51 78.53 2. 00 4,175 100,674 Dec 20 12 78.50 80 .21 78.50 80.18 1.86 1 ,25 8 70, 126 Options, Futures, and Other...