Mancini v. UBS AG: Valuation of Collateral Pursuant to an Event of Default This article discusses the recent case of Mancini v. UBS AG, a case where UBS liquidated Plaintiff’s collateral following an event of default. The issue before the court was whether UBS AG acted arbitrarily when it liquidated Plaintiff’s account based on an earlier valuation date, rather than based on a higher and more recent account value. “Timing is everything” may be a cliché, but when it comes to valuation, it is certainly true. In Mancini v. UBS AG, 2024 U.S. Dist. LEXIS 213279 (S.D. N.Y. November 21,…