The Chicago-based equity derivatives clearinghouse recorded 204,340 transactions last month, up 27 percent on the same time last year.
Year-to-date lending activity was also up 20 percent from 2016 with 1.1 million new loan transactions.
The average daily loan value cleared by OCC in June was $154.4 billion.
Cleared futures volume was up 16 percent in June, compared to the same period last year. The clearinghouse recorded 13.2 million contracts last month.
OCC’s year-to-date average daily cleared futures volume was up 44 percent with 557,161 contracts in 2017.