MIAX Sapphire® Options Alerts
Regulatory Alert, Trading Alert
MIAX Sapphire
August 21, 2026 | 12:42 PM
MIAX Exchange Group - Options Markets - Change to the Penny Interval Program for August 24, 2026
Effective Monday, August 24, 2026, MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options will add the following symbol to the Penny...
Regulatory Alert, Trading Alert
MIAX Sapphire
August 21, 2026 | 11:53 AM
MIAX Exchange Group - Options Markets - Market for Underlying Security Used for Openings for Newly Listed Adjusted Symbol MSTU2 Effective Monday, August 24, 2026
Please refer to the Regulatory Circulars listed below for the newly listed adjusted symbol and the corresponding market for the...
Trading Alert, Regulatory Alert, Technical Alert
MIAX Sapphire
August 21, 2026 | 11:27 AM
MIAX Pearl Options & MIAX Sapphire Options Exchanges - Updated Interface Specifications to Support Upcoming Enhancements
The MIAX Pearl Options and MIAX Sapphire Options Exchanges have updated interface specifications to include support for the IEX and...
Listing Alert
MIAX Sapphire
August 21, 2026 | 11:02 AM
MIAX Exchange Group - Options Markets - T-Rex 2X Long MSTR Daily Target ETF (MSTU) (MSTU2)
T-Rex 2X Long MSTR Daily Target ETF (MSTU) has announced a reverse stock split effective for Monday, August 24, 2026. MSTU2 will be...
Listing Alert
MIAX Sapphire
August 21, 2026 | 10:51 AM
MIAX Exchange Group - Options Markets - Corporate Action Alert: Option Classes AXTU, CCUP and CRWU
T-REX 2X Long AXTI Daily Target ETF (AXTU), T-REX 2X Long CRCL Daily Target ETF (CCUP) and T-REX 2X Long CRWV Daily...
Listing Alert
MIAX Sapphire
August 21, 2026 | 10:49 AM
MIAX Exchange Group - Options Markets - Corporate Action Alert - Adjusted T-Rex 2X Long MSTR Daily Target ETF (MSTU1)
Adjusted T-Rex 2X Long MSTR Daily Target ETF (MSTU1) has announced further adjustments. Associated strike price adjustments will become effective on...
Listing Alert
MIAX Sapphire
August 21, 2026 | 09:25 AM
MIAX Exchange Group - Options Markets - Corporate Action Alert - IES Holdings, Inc. (IESC)
IES Holdings, Inc. (IESC) has announced a Stock Split. Associated strike price adjustments will become effective on Monday, August 24, 2026....