Power of Attorney Filing

This filing is a Power of Attorney granted by Heidi Fischer, EVP, Equities and Spot Markets at Cboe Global Markets, Inc., to Patrick Sexton, Arthur Reinstein, and James Lisak. The attorneys-in-fact are authorized to execute and file Forms 3, 4, and 5, and any other necessary reports related to the ownership, acquisition, or disposition of the company's securities, in accordance with Section 16(a) of the Securities Exchange Act of 1934. This authorization is effective until Fischer is no longer required to file such forms, or until earlier revoked. The filing also clarifies that neither the attorneys-in-fact nor the company assume Fischer's responsibility for compliance with Section 16.