U.S. regulators found no "material breaches" at the largest futures firms, after reviewing them over the past three months after the collapse of
MF Global Holdings Ltd. dealt a black eye to the broader derivatives business.
The audit focused on accounting practices and the protection of client funds that are central to the sector's self-regulation.
The Commodity Futures Trading Commission found that all customer funds were in place on the date of the review of each of 70 firms.
"It shows that firms understand our rules about how to treat customer funds," Commissioner Bart Chilton, a Democrat, said in a statement.
The CFTC said that it didn't perform an "audit" of the companies but rather a "limited review," which relied on the records and do ents maintained at the firms. "Staff did not confirm balances directly with depositories or other en ies holding customer funds," the CFTC said in a statement.