Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
BSX Feb 20 2010 5.00 3.60 0.13 3.75 3.60 3.60 3.00 3.30 6 20
BSX Feb 20 2010 6.00 3.03 0.03 1.00 3.03 3.03 2.05 2.30 4 272
BSX Feb 20 2010 7.00 1.20 0.05 4.35 1.20 1.20 1.05 1.30 20 227
BSX Feb 20 2010 8.00 0.40 — — 0.45 0.35 0.40 0.45 286 6,631
BSX Feb 20 2010 9.00 0.10 0.02 25.00 0.10 0.05 0.05 0.10 30 10,126
BSX Feb 20 2010 10.00 0.03 -0.02 -40.00 0.03 0.03 0.05 0.05 30 63,314
BSX Feb 20 2010 11.00 0.05 -0.05 -50.00 0.05 0.05 0.05 0.05 5 11,583
BSX Feb 20 2010 12.00 0.05 — — 0.05 0.05 0.05 0.05 30 1,465
BSX Feb 20 2010 13.00 0.05 — — 0.05 0.05 0.05 0.05 1 1,674
BSX Feb 20 2010 14.00 0.05 — — 0.05 0.05 0.05 0.05 7 498
BSX Feb 20 2010 15.00 0.10 -0.10 -50.00 0.10 0.10 0.05 0.05 100 469
BSX Feb 20 2010 16.00 — — — — — 0.05 0.05 — —
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
BSX Feb 20 2010 5.00 0.12 — — 0.12 0.12 0.05 0.05 2 2
BSX Feb 20 2010 6.00 0.10 — — 0.10 0.10 0.05 0.05 10 141
BSX Feb 20 2010 7.00 0.05 0.02 66.67 0.05 0.05 0.05 0.05 20 444
BSX Feb 20 2010 8.00 0.21 -0.02 -8.70 0.21 0.20 0.15 0.25 520 14,730
BSX Feb 20 2010 9.00 0.85 — — 0.85 0.85 0.80 0.90 10 5,483
BSX Feb 20 2010 10.00 1.89 0.29 18.13 1.95 1.89 1.70 1.85 25 2,984
BSX Feb 20 2010 11.00 2.85 — — 2.85 2.85 2.70 2.95 100 11,127
BSX Feb 20 2010 12.00 2.89 0.29 11.15 2.89 2.89 3.70 4.00 4 573
BSX Feb 20 2010 13.00 4.60 2.10 84.00 4.60 4.60 4.70 5.00 10 104
BSX Feb 20 2010 14.00 4.90 1.80 58.06 4.90 4.90 5.60 6.00 30 —
BSX Feb 20 2010 15.00 4.00 0.06 1.52 4.00 4.00 6.70 7.00 1 —
BSX Feb 20 2010 16.00 — — — — — 6.50 9.20 — —
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