Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NBL Feb 20 2010 25.00 — — — — — 48.60 50.80 — —
NBL Feb 20 2010 30.00 — — — — — 43.60 45.80 — —
NBL Feb 20 2010 35.00 18.10 -1.60 -8.12 18.80 18.10 38.60 40.80 10 —
NBL Feb 20 2010 40.00 16.00 — — 16.00 16.00 33.60 35.80 10 —
NBL Feb 20 2010 45.00 19.62 -5.68 -22.45 19.80 19.62 28.60 30.80 10 —
NBL Feb 20 2010 50.00 14.20 -0.04 -0.28 14.20 14.20 23.60 25.80 3 —
NBL Feb 20 2010 55.00 12.70 0.90 7.63 12.70 12.70 18.60 20.80 3 —
NBL Feb 20 2010 60.00 10.70 0.30 2.88 10.70 10.70 14.00 15.20 2 —
NBL Feb 20 2010 65.00 9.40 1.28 15.76 9.40 9.40 9.10 10.30 3 —
NBL Feb 20 2010 70.00 4.00 0.70 21.21 4.50 3.50 4.70 5.10 28 576
NBL Feb 20 2010 75.00 1.70 0.37 27.82 1.80 1.50 1.60 1.75 121 1,293
NBL Feb 20 2010 80.00 0.40 0.15 60.00 0.40 0.35 0.25 0.30 133 3,317
NBL Feb 20 2010 85.00 0.05 -0.05 -50.00 0.05 0.05 0.05 0.10 5 941
NBL Feb 20 2010 90.00 0.50 0.20 66.67 0.50 0.50 0.05 0.05 28 465
NBL Feb 20 2010 95.00 — — — — — 0.05 0.05 — —
NBL Feb 20 2010 100.00 — — — — — — 0.05 — —
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NBL Feb 20 2010 25.00 — — — — — 0.05 0.05 — —
NBL Feb 20 2010 30.00 0.15 — — 0.15 0.15 0.05 0.05 1 1
NBL Feb 20 2010 35.00 0.75 — — 0.75 0.75 0.05 0.05 11 11
NBL Feb 20 2010 40.00 0.15 -0.80 -84.21 0.15 0.15 0.05 0.05 40 78
NBL Feb 20 2010 45.00 0.20 -0.10 -33.33 0.20 0.20 0.05 0.05 5 81
NBL Feb 20 2010 50.00 0.05 — — 0.05 0.05 0.05 0.05 10 250
NBL Feb 20 2010 55.00 0.10 0.05 100.00 0.10 0.10 0.05 0.05 6 1,778
NBL Feb 20 2010 60.00 0.15 0.10 200.00 0.15 0.14 0.05 0.10 19 3,122
NBL Feb 20 2010 65.00 0.50 0.12 31.58 0.50 0.45 0.05 0.20 94 997
NBL Feb 20 2010 70.00 0.55 -0.45 -45.00 0.60 0.50 0.55 0.65 67 3,475
NBL Feb 20 2010 75.00 1.90 -1.05 -35.59 2.20 1.90 2.20 2.35 40 1,686
NBL Feb 20 2010 80.00 7.50 3.35 80.72 7.50 6.00 5.50 6.10 46 832
NBL Feb 20 2010 85.00 17.80 — — 17.80 17.80 9.80 11.10 16 16
NBL Feb 20 2010 90.00 22.10 — — 22.10 22.10 14.20 16.40 7 7
NBL Feb 20 2010 95.00 — — — — — 19.20 21.40 — —
NBL Feb 20 2010 100.00 — — — — — 24.20 26.40 — —
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