EXHIBIT 31.1
CERTIFICATION
I, Milan Galik, certify that:
1.I have reviewed this Amendment No. 1 to this Annual Report on Form 10‑K/A for the year ended December 31, 2024 of Interactive Brokers Group, Inc.; and
2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
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By: |
/s/ Milan Galik |
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Name: |
Milan Galik |
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Title: |
Chief Executive Officer and President |
Date: March 4, 2025