Obvious Error Form

Please use this form to file Obvious Error reviews with C1 Options and immediately thereafter follow up with a call to the C1 Options Trade Desk (+1.913.815.7001) to ensure your request for review is properly prioritized. This form includes fields containing all criteria necessary to initiate an official Obvious Error review. Refer to Rule 6.5 of the Rule Book for additional guidance regarding Obvious Error policies and procedures.

* Required field.

When you click the "Submit" button, your request will be submitted to Cboe which may take a few seconds. When the information has been sent to Cboe, you will receive a pop-up message indicating that we have received it and you will also receive an email confirmation. Cboe will review your information and contact you.