Barney Frank's death this week puts the spotlight on one of his most consequential legislative achievements: the annual Dodd-Frank Act stress test, known as DFAST. Co-sponsored with Chris Dodd, the Dodd-Frank Act institutionalized stress testing as a core supervisory tool after the 2008 crisis. What made DFAST uniquely feared by big banks was its format, essentially a closed-book exam where supervisors ran balance sheets through their own downturn models with no advance transparency.

DFAST feeds into the comprehensive capital analysis and review (CCAR) and stress capital buffer (SCB), directly affecting billions in annual dividends and bonuses. Unlike most capital rules, banks couldn't optimize against it. As crisis memories faded, political appetite for tough banking regulation waned. In 2022, Jamie Dimon called DFAST "capricious" and "arbitrary." The Fed began softening the framework in 2020, replacing a pass/fail outcome with the SCB, and in 2025 proposed disclosing models and opening scenarios to public comment.

Former Fed vice-chair Michael Barr noted this transparency shift takes "all the sting out" of the exercise. Banks can now optimize and lobby against difficult scenarios. DFAST started as a genuine disruption to how banks thought about risk, but it risks becoming just another spreadsheet. Frank pushed through his eponymous legislation with determination, and it is a shame one of its most important features is being hollowed out.