Morgan Stanley no longer DPM on EDGX Options
Cboe Options announces that Morgan Stanley & Co., LLC has terminated as a designated primary market maker (DPM) on EDGX Options in all appointed classes.
As a result of this DPM termination by the firm, the Exchange has re-allocated all Morgan Stanley DPM appointments to Citadel Securities LLC as of the close of business July 1, 2025 and effective for trade date July 2, 2025.