Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
CBST Feb 20 2010 7.50 — — — — — 12.30 13.40 — —
CBST Feb 20 2010 10.00 9.60 0.10 1.05 9.60 9.60 9.80 10.90 3 3
CBST Feb 20 2010 12.50 7.20 1.15 19.01 7.20 7.20 7.30 8.40 3 18
CBST Feb 20 2010 15.00 5.89 0.49 9.07 5.89 5.89 4.80 5.90 10 30
CBST Feb 20 2010 17.50 3.00 0.83 38.25 3.00 3.00 2.95 3.10 3 209
CBST Feb 20 2010 20.00 0.90 0.45 100.00 0.90 0.90 0.65 0.80 48 1,015
CBST Feb 20 2010 22.50 0.02 -0.08 -80.00 0.02 0.02 0.05 0.10 4 417
CBST Feb 20 2010 25.00 0.05 — — 0.05 0.05 0.05 0.05 2 487
CBST Feb 20 2010 30.00 0.05 -0.05 -50.00 0.05 0.05 0.05 0.05 6 71
CBST Feb 20 2010 35.00 0.18 — — 0.18 0.18 0.05 0.15 5 5
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
CBST Feb 20 2010 7.50 — — — — — 0.05 0.15 — —
CBST Feb 20 2010 10.00 0.14 -0.16 -53.33 0.14 0.14 0.05 0.15 9 19
CBST Feb 20 2010 12.50 0.30 — — 0.30 0.30 0.05 0.15 10 33
CBST Feb 20 2010 15.00 0.05 -0.05 -50.00 0.05 0.05 0.05 0.10 10 87
CBST Feb 20 2010 17.50 0.10 0.05 100.00 0.10 0.10 0.05 0.15 2 246
CBST Feb 20 2010 20.00 0.20 -0.20 -50.00 0.35 0.20 0.15 0.25 81 320
CBST Feb 20 2010 22.50 1.85 -1.35 -42.19 1.95 1.85 1.90 2.10 41 63
CBST Feb 20 2010 25.00 4.80 — — 4.80 4.80 4.10 5.20 25 40
CBST Feb 20 2010 30.00 — — — — — 9.10 10.20 — —
CBST Feb 20 2010 35.00 13.70 — — 13.70 13.70 14.10 15.20 1 —
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