MIAX completes sale of 90% of MIAX Derivatives Exchange to Robinhood-Susquehanna JV

MIAMI INTERNATIONAL HOLDINGS, INC.

Sold 90% of MIAXdx equity to joint venture by Robinhood (HOOD) and Susquehanna International Group.
MIAX retains 10% stake in MIAXdx, a CFTC-regulated DCM/DCO for fully collateralized futures and options.
Transaction effective Jan 20, 2026; no purchase price or financial terms disclosed.
CEO says sale unlocks shareholder value and allows focus on core exchange growth.

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