GENIUS Act enables $10B annual yield for stablecoin reserves through new funds

The stablecoin industry just quietly became one of the most profitable corners of regulated finance, and most people missed the memo.

The GENIUS Act, signed into law on July 18, 2025, established the first comprehensive federal framework for payment stablecoins in the US. Buried inside the regulatory fine print is a mechanism that could generate roughly $10 billion in annual income for stablecoin issuers, at current market rates.

Here’s the thing: none of that yield goes to the people actually holding the stablecoins. It goes to the issuers.

How a compliance rule became a profit engine

The Act requires stablecoin issuers to back every token in circulation with a 1:1 reserve of high-quality assets. Think cash, short-term US Treasuries, and similar instruments.

The GENIUS framework explicitly allows issuers to park those reserves inside regulated money market funds. With approximately $290 billion to $300 billion in stablecoins currently in circulation, primarily represented by Tether’s USDT and Circle’s USDC, even a modest return on those reserves adds up fast. At a 3.5% yield, the math produces something close to $10 billion per year flowing back to issuers.

The Act simultaneously prohibits issuers from passing any of that yield on to stablecoin holders. The tokens are legally defined as payment instruments, not interest-bearing financial products. Holders get a stable dollar. Issuers get the Treasury income.

Wall Street moves fast when the rules are clear

Financial institutions did not wait around once the legislative framework was in place. State Street launched its Stablecoin Reserves Money Market Fund in June 2026, one of the first products specifically engineered for GENIUS Act compliance. The fund is designed to hold the reserve assets backing payment stablecoins while meeting the Act’s strict eligibility requirements.

The Senate passed the GENIUS Act with a 68-30 vote, a margin that reflects unusually broad bipartisan agreement on a crypto-related measure. The bill had been introduced in May 2025. Rulemaking is ongoing. The Treasury, FDIC, and other regulators are expected to finalize rules around anti-money laundering compliance, capital standards, and reserve requirements, with several final rules anticipated by July 2026.

What this means for issuers, holders, and the broader market

For stablecoin issuers, the GENIUS Act transforms a previously gray-area business into a federally sanctioned, structurally profitable one. The 1:1 reserve requirement removes the opacity that surrounded competitors like Tether for years. That interest rate dependency is the key risk sitting inside this opportunity. At 3.5%, the math works. If the Federal Reserve cuts rates significantly, that $10 billion figure compresses.

For holders, the prohibition on yield payments means stablecoins remain purely transactional instruments under this framework. What holders do get is a federally mandated assurance that the reserves backing their tokens are held in compliant, auditable assets.

Traders and DeFi participants should watch how the yield prohibition interacts with decentralized stablecoin protocols that currently offer holders a return. Those products exist in a different regulatory category for now, but the GENIUS Act draws a sharp line between payment stablecoins and everything else. That distinction will matter as regulators continue filling in the framework through 2026.

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