IT - Equity Derivatives Trading & Clearing - Changes to Listing Procedures following Corporate Actions - Member & ISV Testing - Update
As previously communicated, Nasdaq Derivatives Markets plans to revise the listing procedures for equity derivatives following corporate actions in the underlying, with a tentative effective date 23 November 2026 (subject to confirmation).
To support member and ISV testing, ratio method adjustments are being simulated in the EqD Test (Trading) and EXT1 (Clearing) environments from 22 September to 5 November 2026, according to the test schedule published in IT Notice dated 31 August 2026.
Members are encouraged to participate in at least one of the scheduled tests and to engage with their respective ISVs and other relevant service providers to ensure readiness ahead of the go-live.
Members should confirm their readiness to their Nasdaq account manager no later than 6 November 2026.
Please note that the outcome of simulated adjustments will be published on the Functional Enhancements web page after each event.
Please refer to IT notice dated 29 June 2026 for full details of the planned changes.
For further information regarding the planned changes and testing, please contact product.management@nasdaq.com.
For technical support, please contact Exchange Services, telephone: +46 8 405 7700 or EMO@nasdaq.com.