Template:Nutshell Equity Derivatives 1.51
1.51. “Knock-out Valuation Time” means the specified time on any Knock-out Determination Day or, if there is none, the Valuation Time specified in the related Confirmation, or if none, the Scheduled Closing Time on the relevant exchange for the Knock-out Reference Security on any Knock-out Determination Day
If an exchange closes early and before the specified Knock-out Valuation Time, the Knock-out Valuation Time will be that actual closing time.