Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
COST Feb 20 2010 42.50 16.10 0.90 5.92 16.10 16.10 15.60 16.60 20 3
COST Feb 20 2010 45.00 13.60 — — 13.60 13.60 13.10 14.10 20 1
COST Feb 20 2010 47.50 11.10 0.90 8.82 11.10 11.10 10.60 11.60 20 8
COST Feb 20 2010 50.00 8.80 0.70 8.64 8.80 8.80 8.10 9.10 11 128
COST Feb 20 2010 52.50 6.10 — — 6.20 6.10 5.60 6.60 36,200 2,436
COST Feb 20 2010 55.00 3.70 0.22 6.32 3.80 3.70 3.60 3.90 27,047 3,049
COST Feb 20 2010 57.50 1.35 0.22 19.47 1.60 1.15 1.35 1.50 163 7,500
COST Feb 20 2010 60.00 0.20 0.02 11.11 0.28 0.18 0.15 0.25 189 7,507
COST Feb 20 2010 62.50 0.02 -0.03 -60.00 0.02 0.02 0.05 0.05 5 1,585
COST Feb 20 2010 65.00 0.05 — — 0.05 0.05 0.05 0.05 3 468
COST Feb 20 2010 67.50 0.05 0.01 25.00 0.05 0.05 0.05 0.05 60 91
COST Feb 20 2010 70.00 — — — — — — 0.05 — —
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
COST Feb 20 2010 42.50 — — — — — — 0.05 — —
COST Feb 20 2010 45.00 0.04 — — 0.04 0.04 0.05 0.05 2 2
COST Feb 20 2010 47.50 0.03 — — 0.03 0.03 0.05 0.05 — 30
COST Feb 20 2010 50.00 0.05 — — 0.05 0.05 0.05 0.05 22 422
COST Feb 20 2010 52.50 0.08 0.03 60.00 0.08 0.08 0.05 0.05 20 1,725
COST Feb 20 2010 55.00 0.07 -0.07 -50.00 0.10 0.06 0.05 0.10 98 4,371
COST Feb 20 2010 57.50 0.40 -0.20 -33.33 0.50 0.35 0.30 0.40 502 12,919
COST Feb 20 2010 60.00 1.60 -0.30 -15.79 1.95 1.60 1.60 1.70 51 4,961
COST Feb 20 2010 62.50 4.13 -0.07 -1.67 4.13 4.13 3.80 4.30 15 1,954
COST Feb 20 2010 65.00 6.40 -0.50 -7.25 6.40 6.40 6.10 7.10 11 164
COST Feb 20 2010 67.50 8.90 -1.10 -11.00 8.90 8.90 8.60 9.60 11 67
COST Feb 20 2010 70.00 10.40 0.10 0.97 10.40 10.30 11.10 12.10 46 46
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