JPMorgan Chase performs a component in trillions of {dollars} of economic market buying and selling all over the world day by day, however federal regulators mentioned the financial institution’s techniques for sharing particulars of that exercise with them had not been working correctly for a couple of decade. These lapses are costing it greater than $348 million in fines — and extra might observe.

On Thursday, the financial institution’s important federal regulator, the Workplace of the Comptroller of the Forex, fined JPMorgan $250 million over the omissions. The motion adopted a $98.2 million penalty from the Federal Reserve on March 8. The financial institution lately instructed traders in a public filling {that a} third regulator is getting ready a separate motion that’s prone to include its personal financial penalty.

The breaches on the financial institution, which occurred from round 2014 till 2023, affected regulators in search of knowledge on monetary market exercise to assist catch situations of misbehavior, like insider buying and selling and market manipulation. JPMorgan was not retaining and sharing details about trades made by prospects and companies in reference to round 30 completely different buying and selling platforms and venues, the regulators mentioned.

Brian Marchiony, a JPMorgan spokesman, mentioned the financial institution discovered the issues by itself and notified regulators. JPMorgan didn’t count on any companies to prospects to be disrupted as it really works to repair the issues, he mentioned.

“Vital remedial actions have been taken and others are underway,” Mr. Marchiony mentioned. “We have now not discovered any worker misconduct or hurt to shoppers or the market in our assessment of the beforehand uncaptured knowledge.”

The paperwork filed by the regulators laying out the penalties supplied few particulars concerning the varieties of knowledge that JPMorgan was failing to gather and report, saying solely that the financial institution had did not account for “billions of situations of buying and selling exercise.” That might embody messages about buying and selling orders despatched between JPMorgan workers and shoppers.

Regulators, together with the Securities and Trade Fee and the Commodity Futures Buying and selling Fee, have additionally been cracking down lately on how merchants at massive banks talk with their shoppers, penalizing the banks for permitting merchants to make use of WhatsApp and different encrypted messaging companies that aren’t as straightforward to trace as emails or recorded voice calls.

JPMorgan should monitor buying and selling platforms together with exchanges just like the New York Inventory Trade and on-line platforms like Tradeweb. The regulators didn’t specify which venues had been concerned within the lapses and Mr. Marchiony declined to call them.

A spokeswoman for the O.C.C. declined to remark.