Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
ALXN Feb 20 2010 15.00 — — — — — 31.20 32.40 — —
ALXN Feb 20 2010 17.50 — — — — — 28.70 29.90 — —
ALXN Feb 20 2010 20.00 — — — — — 26.20 27.40 — —
ALXN Feb 20 2010 22.50 — — — — — 23.70 24.80 — —
ALXN Feb 20 2010 25.00 — — — — — 21.20 22.30 — —
ALXN Feb 20 2010 30.00 — — — — — 16.20 17.40 — —
ALXN Feb 20 2010 35.00 10.80 0.50 4.85 10.80 10.80 11.50 12.30 2 43
ALXN Feb 20 2010 40.00 8.00 0.74 10.19 8.00 7.50 6.90 7.20 14 44
ALXN Feb 20 2010 45.00 2.70 0.60 28.57 2.70 2.45 2.60 2.80 334 1,355
ALXN Feb 20 2010 50.00 0.35 -0.05 -12.50 0.35 0.25 0.20 0.40 75 3,577
ALXN Feb 20 2010 55.00 0.35 -0.15 -30.00 0.35 0.35 0.05 0.15 10 509
ALXN Feb 20 2010 60.00 0.20 -0.55 -73.33 0.20 0.20 0.05 0.15 25 351
ALXN Feb 20 2010 65.00 0.25 -0.05 -16.67 0.25 0.25 0.05 0.15 10 20
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
ALXN Feb 20 2010 15.00 0.15 — — 0.15 0.15 0.05 0.15 90 90
ALXN Feb 20 2010 17.50 0.15 — — 0.15 0.15 0.05 0.15 1 1
ALXN Feb 20 2010 20.00 0.18 — — 0.18 0.18 0.05 0.15 10 10
ALXN Feb 20 2010 22.50 — — — — — 0.05 0.15 — —
ALXN Feb 20 2010 25.00 0.14 -0.01 -6.67 0.14 0.14 0.05 0.15 4 25
ALXN Feb 20 2010 30.00 0.65 -0.35 -35.00 0.65 0.65 0.05 0.15 10 102
ALXN Feb 20 2010 35.00 0.12 -0.43 -78.18 0.13 0.12 0.05 0.15 8 143
ALXN Feb 20 2010 40.00 0.15 0.05 50.00 0.15 0.15 0.05 0.20 2 178
ALXN Feb 20 2010 45.00 0.95 0.55 137.50 0.95 0.55 0.70 0.90 48 274
ALXN Feb 20 2010 50.00 2.15 -1.15 -34.85 3.20 2.15 3.20 3.60 90 1,220
ALXN Feb 20 2010 55.00 8.30 -3.10 -27.19 8.30 8.30 7.90 8.30 1 1
ALXN Feb 20 2010 60.00 — — — — — 12.70 13.80 — —
ALXN Feb 20 2010 65.00 — — — — — 17.70 18.80 — —
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