Columbia Banking System Inc. (COLB) Options

Option Chain for Columbia Banking System Inc.  (COLB) 
$ 21.12   -0.39 (-1.81%) Volume: 122.74 k 4:00 PM EST Feb 10, 2012
After Hours:  $ 21.12 0.00 (0.00%) Volume: 289  4:50 PM EST Feb 10, 2012
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Feb 12  |  Mar 12  |  May 12  |  Aug 12  |  All
Calls PD   Last Chg Bid Ask Volume Open Int Root Strike Puts PD   Last Chg Bid Ask Volume Open Int
Feb 18, 2012         0 0 COLB 12.21 Feb 18, 2012         0 0
Feb 18, 2012         0 0 COLB 12.50 Feb 18, 2012         0 0
Feb 18, 2012         0 0 COLB 14.71 Feb 18, 2012         0 58
Feb 18, 2012 1.60       0 0 COLB 15.00 Feb 18, 2012 0.80       0 0
Feb 18, 2012         0 0 COLB 17.21 Feb 18, 2012         0 0
Feb 18, 2012 3.30       0 0 COLB 17.50 Feb 18, 2012         0 0
Feb 18, 2012         0 54 COLB 19.71 Feb 18, 2012         0 34
Feb 18, 2012 1.05       0 0 COLB 20.00 Feb 18, 2012 1.50       0 0
Feb 18, 2012         0 0 COLB 22.21 Feb 18, 2012         0 0
Feb 18, 2012         0 0 COLB 22.50 Feb 18, 2012         0 0
Feb 18, 2012         0 0 COLB 25.00 Feb 18, 2012         0 0