Total dollar amount of all card payments processed by sellers using Square, net of refunds. Additionally, GPV includes Square Cash activity related to peer-to-peer payments sent from a credit card and Square Cash for Business. GPV excludes card payments processed for Starbucks.
Last reported quarter 2018 Q3 it was $22.50 billion, up by 29% year-over-year from $17.39 billion. From $49.68 billion in 2016 it increased by 32% to $65.34 billion in 2017.