👉 In the context of finance, a "promercantile" refers to a specific type of interest rate swap, which allows one party to pay more than the other in order to reduce their exposure to exchange-rate fluctuations. This strategy is often used by hedge funds and other financial institutions to manage risk in a volatile market environment. The term was first introduced in 2014 by the "International Swaps and Derivatives Association" (ISDA) as a way of describing the practice