Citadel Securities LLC Appointed DPM in Classes to Which Morgan Stanley and Co. LLC Was Previously Appointed DPM
Reference ID: C2025082505
Applicable Cboe Exchange: Cboe Options
OVERVIEW
Pursuant to Exchange Rule 3.53(f), on July 2, 2025, the Exchange appointed Citadel Securities, LLC (Citadel), on an interim basis, to act as the Off-Floor DPM in all of the classes to which Morgan Stanley and Co. LLC (Morgan Stanley) had previously been appointed as Off-Floor DPM (see the Interim DPM Appointment of Citadel Securities, LLC notice).
Effective September 2, 2025, pursuant to Exchange Rule 5.50(h), the Exchange is appointing Citadel as the Off-Floor DPM in all but 17 of the classes to which Morgan Stanley had previously been appointed as the Off-Floor DPM. The 17 classes to which Citadel is not being appointed to act as Off-Floor DPM are as follows: AGNC, CLNE, GLD, GRNT, HOLX, IBRX, INMB, JBLU, KO, MODG, MPW, NVO, PLUG, TSLL, WOW, XYX, ZK. Citadel is terminating its interim DPM appointments to these 17 classes as of the close of trading on August 26, 2025. The Exchange will reallocate these 17 classes effective as of the opening of trading on August 27 pursuant to the Exchange's current standard DPM reallocation process.
Morgan Stanley withdrew its DPM appointment transfer proposal referenced in Exchange Notice (see the DPM Appointment Transfer Proposal Approval Between Morgan Stanley & Co. LLC and Citadel Securities LLC notice).
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