Listing Alert
MIAX Pearl
December 02, 2025 | 01:27 PM
MIAX Exchange Group - Options Markets - Corporate Action Alert: T-Rex 2X Long MSTR Daily Target ETF (MSTU)
T-Rex 2X Long MSTR Daily Target ETF (MSTU) has announced a reverse stock split effective for Wednesday, December 3, 2025. On this date, the current MSTU option class will change to MSTU1. MSTU1 options will be available for trading on the MIAX Sapphire Options Exchange on Wednesday, December 3, 2025.
The MIAX Options Exchange, MIAX Pearl Options Exchange, and MIAX Emerald Options Exchange WILL NOT list MSTU1 options.
No options on the underlying MSTU will be available for trading on the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange and MIAX Sapphire Exchange on Wednesday, December 3, 2025 and will resume trading on Thursday, December 4, 2025.
All GTC orders resting on the MIAX order books in MSTU will be canceled at the close of business on Tuesday, December 2, 2025.
Market Makers can use the Member Firm Portal (MFP) to manage their option class assignments. Please note that MSTU should be used for class assignments in MSTU1 via MFP.
Additional details about the T-Rex 2X Long MSTR Daily Target ETF (MSTU) reverse stock split are provided in the attached OCC Memo.
Please contact MIAX Listings with any questions at Listings@miaxglobal.com or (609) 897-7308.