Definition
Gross Payment Volume – Square's own name for the same underlying concept as GMV», scoped to card payments: the total dollar amount of card payments it processes for sellers, net of refunds, excluding volume processed under its outsized Starbucks agreement and its peer-to-peer Square Cash service. Functions like GMV for a payments company — it measures transaction volume flowing through the platform, not the take-rate» revenue the company actually keeps from it. Found In: Operating metrics disclosure (not a financial-statement line item)