Shares of Circle Internet Financial, the issuer of the USDC stablecoin, experienced a historic selloff on Tuesday, March 27, 2026, plummeting 20% in their steepest single-day decline on record. The sharp drop was triggered by the release of a draft bill from the Senate Banking Committee that takes aim at yield programs associated with payment stablecoins.
Regulatory Focus on Stablecoin Rewards
The legislative draft, part of the ongoing CLARITY Act deliberations, specifically seeks to prohibit digital asset service providers from offering interest or yield solely for holding a payment stablecoin. This move continues a regulatory trend, following the earlier passage of the GENIUS Act, which already barred issuers from paying interest directly to token holders. The current debate centers on whether third-party platforms, such as exchanges, can continue to offer bank-like yields to attract deposits.
However, the draft legislation carves out exceptions for incentives tied to user activity. Permissible rewards could include those linked to transactions, payments, transfers, wallet usage, loyalty programs, liquidity provision, or staking. A critical line in the draft clarifies that a stablecoin issuer would not be deemed to be paying yield if an external party independently operates a rewards program for its token.
Analysts See Market Misunderstanding
Financial analysts from Bernstein and Citigroup quickly noted that the market's knee-jerk reaction appeared to misinterpret the bill's implications. In a research note, Bernstein analysts Gautam Chhugani, Mahika Sapra, Sanskar Chindalia, and Harsh Misra highlighted a "core confusion" between who earns yield and who distributes it. They succinctly stated, "Circle earns. Coinbase distributes." The analysts warned that the selloff may not be properly calibrated, as the proposed rules do not restrict the reserve income earned by issuers like Circle.
This distinction is crucial for Circle's business model. The company disclosed that its reserve income surged 69% year-over-year in the fourth quarter to $733 million, driven by interest from the high-quality assets backing USDC. For the full year, Circle's total revenue plus reserve income reached $2.7 billion.
Coinbase Faces Direct Impact
While Circle's fundamental economics may be insulated, the draft poses a more direct threat to platforms like Coinbase, which saw its shares slide 9.8% on Tuesday. Coinbase has been a significant driver of USDC adoption through its prominent offer of a 3.35% yield simply for holding the stablecoin on its platform. Analysts caution that if such rewards are curtailed, these intermediaries could struggle to maintain the growth of stablecoin balances, which have been bolstered by these attractive payouts.
USDC has seen rapid expansion over the past two years, growing its circulation from approximately $30 billion to $75.3 billion by the end of 2025, making it the second-largest dollar-denominated stablecoin behind Tether's USDt. Bernstein noted this growth has been fueled not just by yield-seeking but also by utility in trading, collateral, payments, and dollar access.
Broader Market and Political Risks
The selloff reflects persistent regulatory uncertainty casting a shadow over the crypto sector. Traditional banks have also voiced concerns, warning that high stablecoin rewards could pull deposits away from conventional bank accounts. The broader legislative package containing these stablecoin provisions continues to face political hurdles. Lawmakers remain entangled in debates over ethics and anti-money-laundering rules. With midterm elections approaching, supporters of the bill still need to secure at least seven Senate Democrats to advance it.
For now, the draft establishes a clear boundary: idle stablecoin balances are not entitled to bank-like interest. While activity-based rewards might survive, the final language remains uncertain as the Senate committee process continues. The market's violent reaction underscores the high sensitivity of crypto-related equities to regulatory developments, even when the immediate financial impact may be mispriced.



