October 21, 2025Advisory Notice A25-017

HSVF and OBF Multicast Feeds USX Options Change Delivery type to Cash from Physical

Bourse de Montréal Inc. (the "Bourse") hereby informs its participants that all USX Options in all versions of HSVF and OBF Multicasts feeds will have the Delivery Type in the Instrument Key Message adjusted to Cash from the current value of Physical. The HSVF and OBF feed will begin broadcasting this revised value for the trading session on October 27th 2025.

In preparation for the revision, the Bourse invites market participants and key stakeholders to test their systems. The revised delivery type for USX is present in GTE1 and GTE3 as of today October 17th 2025.

If you require additional information regarding this notice, please contact us at the address below.

Derivatives Operations
Toll-free: 1-877-588-8489
Local: 514-871-7872
Email: derivatives.operations@tmx.com

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