Wall Street Calls for Revisions to Basel III Endgame Capital Rules

By Patricia Miller

Jun 18, 2026

2 min read

Wall Street urges U.S. regulators to further ease Basel III capital rules, potentially impacting trading costs and digital asset investments.

Wall Street’s leading lobbying groups recently appealed to U.S. banking regulators to reconsider the Basel III Endgame capital rules, advocating for reduced capital requirements beyond what was proposed in March. The main concern centers around potential increases in capital requirements for trading activities, which could rise by 30% to as much as 89%. Such changes could increase costs for banks involved in trading U.S. Treasuries significantly.

This letter was delivered to three key regulatory agencies: the Federal Reserve, the Federal Deposit Insurance Corporation (FDIC), and the Office of the Comptroller of the Currency (OCC). The timing was critical, coinciding with the close of the comment period for the latest proposals regarding these capital rules.

What is the significance of the Basel Endgame?

To understand Basel III Endgame, think of capital requirements as financial buffers that banks are mandated to maintain to safeguard against potential losses. These rules were established following the 2008 financial crisis, aiming to stop banks from excessive leveraging that could lead to systemic failures.

U.S. regulators made an effort to alleviate some concerns by proposing adjustments in March that would have lowered capital burdens for large banks by approximately 4.8% to 5%. However, many in Wall Street believe a larger concession is necessary to support banking operations effectively.

How does this affect digital assets?

The implications for digital asset markets are evident. Inside the Basel framework lies a classification for how banks should manage their cryptocurrency positions. For Group 2 crypto assets, which encompass the majority of tokens not qualifying as traditional assets, banks face an exorbitant risk weight of 1,250%. This effectively means that for each dollar’s worth of Group 2 crypto assets a bank holds, they must reserve an equal dollar in capital, essentially prohibiting any substantial investment in these assets.

The Basel Committee on Banking Supervision is examining this framework in light of ongoing industry pushback. A more lenient stance on risk weights could enable traditional financial institutions to engage more actively in the digital asset market without facing heavy capital penalties.

What are the investor ramifications?

For investors in traditional markets, the consequences of these regulatory decisions are urgent. Should regulators remain inflexible, banks might scale back their market-making functions in treasuries and other fixed-income segments. This tapering could lead to widened bid-ask spreads, diminished order book depth, and heightened volatility during market stress scenarios.

Ultimately, the disparity between Wall Street's requested changes and what regulators propose spans an extensive range of 4.8% to 89%. As these discussions evolve, both financial institutions and retail investors may need to adapt their strategies accordingly.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.