Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NBR Feb 20 2010 15.00 10.40 — — 10.40 10.40 7.10 7.80 10 10
NBR Feb 20 2010 17.00 5.20 0.10 1.96 5.20 5.10 5.10 5.50 37 37
NBR Feb 20 2010 18.00 4.60 -2.60 -36.11 4.60 4.60 4.20 4.70 — 76
NBR Feb 20 2010 19.00 7.00 2.80 66.67 7.00 7.00 3.20 3.70 10 —
NBR Feb 20 2010 20.00 3.15 0.45 16.67 3.15 3.15 2.45 2.75 1 24
NBR Feb 20 2010 21.00 1.75 0.45 34.62 1.80 1.40 1.70 1.80 63 697
NBR Feb 20 2010 22.00 1.00 0.05 5.26 1.00 1.00 1.05 1.15 1 1,279
NBR Feb 20 2010 23.00 0.60 0.13 27.66 0.77 0.50 0.55 0.65 80 1,200
NBR Feb 20 2010 24.00 0.35 -0.05 -12.50 0.35 0.35 0.25 0.35 36 2,582
NBR Feb 20 2010 25.00 0.20 -0.04 -16.67 0.25 0.15 0.10 0.20 443 4,427
NBR Feb 20 2010 26.00 0.09 -0.03 -25.00 0.10 0.09 0.05 0.15 39 6,299
NBR Feb 20 2010 27.00 0.05 — — 0.05 0.05 0.05 0.10 105 2,697
NBR Feb 20 2010 28.00 0.05 — — 0.05 0.05 0.05 0.05 2 1,596
NBR Feb 20 2010 29.00 0.02 -0.03 -60.00 0.02 0.02 0.05 0.05 6 137
NBR Feb 20 2010 30.00 0.10 -0.15 -60.00 0.10 0.10 0.05 0.05 1 455
NBR Feb 20 2010 31.00 0.07 -0.13 -65.00 0.07 0.07 0.05 0.05 2 14
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NBR Feb 20 2010 15.00 0.04 — — 0.04 0.04 — 0.05 50 70
NBR Feb 20 2010 17.00 — — — — — 0.05 0.10 — —
NBR Feb 20 2010 18.00 0.15 0.05 50.00 0.15 0.10 0.05 0.10 93 93
NBR Feb 20 2010 19.00 0.23 0.08 53.33 0.23 0.23 0.10 0.20 50 104
NBR Feb 20 2010 20.00 0.39 -0.16 -29.09 0.39 0.39 0.20 0.30 10 829
NBR Feb 20 2010 21.00 0.58 -0.08 -12.12 0.58 0.58 0.45 0.50 23 3,585
NBR Feb 20 2010 22.00 0.77 -0.18 -18.95 0.85 0.77 0.80 0.85 278 1,877
NBR Feb 20 2010 23.00 1.50 -0.25 -14.29 1.50 1.50 1.30 1.40 113 8,587
NBR Feb 20 2010 24.00 2.20 -0.25 -10.20 2.20 2.20 2.00 2.10 2 1,184
NBR Feb 20 2010 25.00 2.57 -0.43 -14.33 2.57 2.57 2.75 2.95 20 7,970
NBR Feb 20 2010 26.00 2.60 0.20 8.33 2.60 2.60 3.50 4.00 19 1,118
NBR Feb 20 2010 27.00 3.60 1.00 38.46 3.60 3.60 4.40 4.90 4 678
NBR Feb 20 2010 28.00 4.00 0.40 11.11 4.00 4.00 5.40 5.90 10 227
NBR Feb 20 2010 29.00 5.40 1.00 22.73 5.40 5.40 6.40 6.90 10 58
NBR Feb 20 2010 30.00 6.20 -0.50 -7.46 6.20 6.10 7.20 7.90 200 136
NBR Feb 20 2010 31.00 7.70 1.30 20.31 7.70 7.70 8.20 9.10 35 57
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