Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
VLO Feb 20 2010 13.00 5.70 — — 5.70 5.70 4.95 5.30 1 1
VLO Feb 20 2010 14.00 4.55 -0.10 -2.15 4.55 4.55 3.95 4.30 25 197
VLO Feb 20 2010 15.00 3.00 0.06 2.04 3.00 3.00 3.00 3.30 10 131
VLO Feb 20 2010 16.00 2.16 0.18 9.09 2.19 2.16 2.09 2.12 40 519
VLO Feb 20 2010 17.00 1.13 0.10 9.71 1.35 1.13 1.15 1.18 76 2,135
VLO Feb 20 2010 18.00 0.50 0.07 16.28 0.54 0.35 0.44 0.47 185 6,408
VLO Feb 20 2010 19.00 0.12 0.01 9.09 0.15 0.08 0.11 0.12 603 15,662
VLO Feb 20 2010 20.00 0.04 -0.01 -20.00 0.05 0.02 0.02 0.04 106 12,586
VLO Feb 20 2010 21.00 0.01 -0.01 -50.00 0.01 0.01 0.01 0.01 3 3,338
VLO Feb 20 2010 22.00 0.03 0.01 50.00 0.03 0.03 0.01 0.02 10 148
VLO Feb 20 2010 23.00 0.02 — — 0.02 0.02 0.01 0.02 5 5
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
VLO Feb 20 2010 13.00 0.04 -0.02 -33.33 0.04 0.04 0.01 0.02 20 24
VLO Feb 20 2010 14.00 0.01 -0.04 -80.00 0.02 0.01 0.01 0.02 36 39
VLO Feb 20 2010 15.00 0.03 — — 0.03 0.03 0.02 0.03 20 899
VLO Feb 20 2010 16.00 0.06 0.01 20.00 0.14 0.06 0.02 0.04 1,057 4,669
VLO Feb 20 2010 17.00 0.12 -0.03 -20.00 0.12 0.09 0.10 0.12 204 6,706
VLO Feb 20 2010 18.00 0.44 -0.08 -15.38 0.47 0.35 0.40 0.42 191 16,471
VLO Feb 20 2010 19.00 1.03 -0.22 -17.60 1.28 0.98 1.05 1.08 84 5,324
VLO Feb 20 2010 20.00 2.04 -0.04 -1.92 2.04 2.04 1.97 2.00 14 1,755
VLO Feb 20 2010 21.00 2.61 0.15 6.10 2.61 2.61 2.93 3.05 38 372
VLO Feb 20 2010 22.00 3.60 0.45 14.29 3.60 3.60 3.75 4.10 49 219
VLO Feb 20 2010 23.00 4.10 0.05 1.23 4.10 4.10 4.75 5.10 27 120
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