ITT Educational Services Inc. (ESI) Options

Option Chain for ITT Educational Services Inc.  (ESI) 
$ 73.67   -0.51 (-0.69%) Volume: 551.88 k 4:01 PM EST Feb 10, 2012
After Hours:  $ 73.67 0.00 (0.00%) Volume: 52.15 k 4:53 PM EST Feb 10, 2012
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Feb 12  |  Mar 12  |  Apr 12  |  Jul 12  |  Jan 13  |  Jan 14  |  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 ESI 37.50 Feb 18, 2012 0.03       0 246
Feb 18, 2012         0 0 ESI 40.00 Feb 18, 2012 0.11       0 171
Feb 18, 2012         0 0 ESI 42.50 Feb 18, 2012 0.23       0 297
Feb 18, 2012         0 0 ESI 45.00 Feb 18, 2012 0.05       0 735
Feb 18, 2012 7.50       0 0 ESI 47.50 Feb 18, 2012 0.08       0 377
Feb 18, 2012 4.97       0 0 ESI 50.00 Feb 18, 2012 0.12       0 436
Feb 18, 2012 4.30       0 0 ESI 52.50 Feb 18, 2012 0.15       0 1175
Feb 18, 2012 15.25       0 8 ESI 55.00 Feb 18, 2012 0.05 -0.05     5 741
Feb 18, 2012 8.00       0 344 ESI 57.50 Feb 18, 2012 0.08 -0.05     2 718
Feb 18, 2012 10.50       0 512 ESI 60.00 Feb 18, 2012 0.20       0 1141
Feb 18, 2012 7.95       0 477 ESI 62.50 Feb 18, 2012 0.13 -0.05     14 544
Feb 18, 2012 6.09       0 1077 ESI 65.00 Feb 18, 2012 0.25 -0.13     10 800
Feb 18, 2012 6.60 2.61     6 1121 ESI 67.50 Feb 18, 2012 0.40 -0.27     16 480
Feb 18, 2012 3.90 0.99     214 4194 ESI 70.00 Feb 18, 2012 1.01 -0.45     5 1244
Feb 18, 2012 2.68 1.08     82 1517 ESI 72.50 Feb 18, 2012 1.50 -1.18     33 83
Feb 18, 2012 1.52 0.39     219 2154 ESI 75.00 Feb 18, 2012 2.91 -1.19     23 156
Feb 18, 2012 0.75 0.36     99 363 ESI 77.50 Feb 18, 2012 4.40 -     22 22
Feb 18, 2012 0.42 0.21     10 1105 ESI 80.00 Feb 18, 2012 8.45       0 13
Feb 18, 2012 0.07       0 94 ESI 85.00 Feb 18, 2012         0 0
Feb 18, 2012 0.01       0 20 ESI 90.00 Feb 18, 2012         0 0
Feb 18, 2012 0.16       0 10 ESI 95.00 Feb 18, 2012         0 0
Feb 18, 2012         0 0 ESI 100.00 Feb 18, 2012         0 0