The bank is expected to pay at least $200 million to resolve parallel civil charges by both the Securities and Exchange Commission, as well as the Commodity Futures Trading Commission, one of the people said on Thursday.

At issue is whether JPMorgan's asset management unit preferred putting clients into its own in-house funds, a practice that in turn let the bank earn a fee, another person said. Such arrangements were not properly disclosed, the source told Reuters

A spokesman for JPMorgan declined to comment on the pending settlement. The sources asked not to be named because the settlement had yet to be made public.

JPMorgan previously disclosed the investigation to investors in its SEC filings.

In its quarterly report released in August, the bank said it had received subpoenas from the SEC and other regulators over its disclosures concerning "conflicts" associated with its sale and use of in-house products such as mutual funds and its wealth management business.

The investigation also covers its private bank disclosures in connection with the use of hedge funds that pay placement agents fees to the bank's brokerage affiliates, the bank has said.

In September 2012, a group of wealth management and private banking clients filed a class action lawsuit against the bank, saying JPMorgan placed its clients into funds and investments with fee-based accounts.

Such actions, the lawsuit alleges, ran counter to the bank's fiduciary duties.

A U.S. District Court judge dismissed the case in June 2013, and it is now being appealed in the U.S. Court of Appeals for the Seventh Circuit.

(Additional reporting by Suzanne Barlyn in New York. Editing by Soyoung Kim and Meredith Mazzilli)

By Sarah N. Lynch