Regulation

Exchange Act Rule 605 Report

NOTE: The Exchange hereby advises market participants of an error in the posted SEC Rule 605 execution quality reports. The error caused some non-marketable limit orders greater than ten cents away from the prevailing NBBO at the time of receipt to be included in order-type code 15 data. The Exchange is working diligently to correct the issue that gave rise to the error. The corrected reports will be posted as soon as they are available. Requests for updated past Order Disclosure files that are no longer available online may be directed to cbsxhelpdesk@cboe.com.

Month Order Disclosure File Market Center Identification File
Click on the links below to view the Order Disclosure files. You will need WinZip Software in order to view the files below after they have been downloaded.
APR 2013
MAR 2013
FEB 2013
JAN 2013
DEC 2012
NOV 2012

To access CBSX's updated SEC Rule 605 execution quality reports beginning November 2012, please click the following link: http://www.tagaudit.com/rule5.asp?user=cbsx.