Wall Street is poised to get a big reprieve from the Volcker Rule, as U.S. agencies prepare to scrap a restrictive presumption that most short-term trades violate the post-crisis regulation, three people with knowledge of the matter said.

In a much-anticipated overhaul of Volcker, the Federal Reserve and other regulators are planning to drop an assumption written into the original rule that positions held by banks for less than 60 days are speculative—and therefore banned, the people said. Instead, banks would have leeway to conclude that their trades comply with the rule, putting the onus on regulators to challenge such judgments.

Additional changes the regulators intend to propose include making it easier for banks to stockpile assets that their customers may want to buy in the near term and dialing back compliance burdens for smaller lenders.

Read more in Bloomberg.