Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NSC Feb 20 2010 35.00 13.90 — — 13.90 13.90 11.90 12.90 10 —
NSC Feb 20 2010 40.00 8.90 — — 8.90 8.90 6.90 7.50 10 —
NSC Feb 20 2010 44.00 3.50 — — 3.50 3.50 3.10 3.40 15 —
NSC Feb 20 2010 45.00 2.85 -1.65 -36.67 2.85 2.85 2.30 2.50 50 —
NSC Feb 20 2010 46.00 1.75 0.40 29.63 1.75 1.75 1.60 1.70 — 60
NSC Feb 20 2010 47.00 1.15 — — 1.35 1.10 1.00 1.10 42 295
NSC Feb 20 2010 48.00 0.62 -0.21 -25.30 0.78 0.62 0.55 0.65 17 194
NSC Feb 20 2010 49.00 0.40 -0.05 -11.11 0.48 0.40 0.25 0.35 47 1,992
NSC Feb 20 2010 50.00 0.15 -0.15 -50.00 0.15 0.15 0.10 0.20 16 2,322
NSC Feb 20 2010 55.00 0.04 -0.01 -20.00 0.04 0.04 0.05 0.05 1 2,131
NSC Feb 20 2010 60.00 0.05 — — 0.05 0.04 0.05 0.05 271 267
NSC Feb 20 2010 65.00 0.05 — — 0.05 0.05 0.05 0.05 10 10
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
NSC Feb 20 2010 35.00 — — — — — — 0.05 — —
NSC Feb 20 2010 40.00 — — — — — 0.05 0.05 — —
NSC Feb 20 2010 44.00 0.25 — — 0.25 0.20 0.15 0.20 38 50
NSC Feb 20 2010 45.00 0.30 -0.15 -33.33 0.30 0.25 0.25 0.35 26 493
NSC Feb 20 2010 46.00 0.27 -0.35 -56.45 0.27 0.27 0.50 0.60 10 121
NSC Feb 20 2010 47.00 0.70 -0.45 -39.13 0.75 0.70 0.85 1.00 23 344
NSC Feb 20 2010 48.00 1.20 -0.50 -29.41 1.20 1.20 1.40 1.55 2 379
NSC Feb 20 2010 49.00 2.18 0.83 61.48 2.20 2.18 2.10 2.30 10 871
NSC Feb 20 2010 50.00 3.10 -0.60 -16.22 3.10 3.10 2.75 3.20 1 1,065
NSC Feb 20 2010 55.00 7.70 1.28 19.94 7.70 7.70 7.50 8.00 13 799
NSC Feb 20 2010 60.00 9.70 1.00 11.49 9.70 9.70 12.10 13.20 11 75
NSC Feb 20 2010 65.00 11.30 — — 11.30 11.30 17.10 18.20 11 —
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