Year-to-date lending activity was up 17 percent from 2016 with 728,464 new loan transactions.
The average daily loan value was $151.6 billion last month.
Cleared futures volume in April saw a 42 percent increase from 2016, representing 10.9 million contracts.
OCC's year-to-date average daily cleared futures volume was up 52 percent with 530,463 contracts for the month.
Equity options volume was also up 10 percent last month with 269.57 million contracts, including cleared exchange-traded funds options volume of 129.37 million contracts in April.