However Barclays, and other banks including Royal Bank of Scotland, could still face multiple civil actions brought by clients or investors who claim they lost money in the forex scandal.
US regulators are also reported to be looking at fresh allegations of forex rigging against Deutsche Bank.
The claims centre on so-called front-running, where banks allegedly make money by trading using knowledge of their clients’ foreign exchange orders before they place them.
Barclays and Deutsche declined to comment on the issue today.