Circle and Coinbase Stocks Fall After Stablecoin Yield Ban Surfaces in CLARITY Act Draft, Bernstein Says Selloff Misreads the Fine Print

Stablecoin Stocks Rattled as Proposed U.S. Bill Targets Yield Distribution, Sparing Issuers, Analysts Say

TL;DR

• Circle (CRCL) and Coinbase (COIN) stocks tumbled 18% and 7% respectively on March 24 after a revised U.S. stablecoin bill draft proposed banning yield on stablecoin holdings.
• Bernstein analysts argue markets misread the CLARITY Act, which targets yield distributors — not issuers like Circle, which earned $2.64 billion in reserve income in 2025 without paying yield to token holders.
• USDC supply hit $80 billion and onchain volume reached $11.9 trillion in Q4 2025, while Bernstein maintained Outperform ratings with price targets of $190 for Circle and $440 for Coinbase.

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Shares of Coinbase (NASDAQ: COIN) and Circle (NYSE: CRCL) sold off sharply on March 24, 2026, after reports emerged of a revised draft of the CLARITY Act that would prohibit offering yield "directly or indirectly" on stablecoin balances. Coinbase fell more than 7%, while Circle plunged approximately 18%, briefly approaching $100 per share before stabilizing near $104 in premarket trading the following morning. Robinhood (NASDAQ: HOOD) declined 4.7% over the same session, reflecting broad concern across the crypto-adjacent equities space. The moves came as U.S. lawmakers, crypto industry executives, and banking representatives were meeting between March 23 and March 24 to negotiate the final shape of a comprehensive stablecoin regulatory framework.

At the center of the debate is the CLARITY Act, a proposed U.S. bill designed to resolve oversight responsibilities between the Securities and Exchange Commission and the Commodity Futures Trading Commission while establishing a legal definition for stablecoins within the financial system. Journalist Eleanor Terrett reported that the latest draft not only prohibits direct or indirect yield on stablecoin holdings but also bars incentives "economically equivalent" to interest and applies the restrictions broadly across exchanges, brokers, and affiliates. The proposal would allow limited activity-based rewards — such as loyalty programs or promotional incentives — and directs the SEC, CFTC, and Treasury to define the specific boundaries of those allowances within one year.

Bank of America analyst Craig Siegenthaler estimated a roughly 50% probability that the CLARITY Act passes before the November elections. While he acknowledged that yield restrictions could create near-term headwinds, Siegenthaler expressed more optimism about the legislation's potential to accelerate long-term adoption, arguing that formal regulatory clarity could draw in a wave of retail and institutional participants that would ultimately drive higher crypto price levels and trading volumes beyond what current market activity reflects.

Coinbase CEO Brian Armstrong addressed the yield question directly during Davos 2026. "I think Americans should be able to earn more money on their money," Armstrong said. "Banks should have to compete on a level playing field, and if the American people feel like banks are not paying high enough interest rates and stablecoin rewards can offer them more, then maybe the banks should have to pay higher interest rates to compete. I don't think there should be any protectionism." Armstrong's remarks came before the latest draft's provisions became public and underscored Coinbase's public stance ahead of the legislative push. Coinbase currently offers approximately 3.5% yield on USDC balances held by its users and shares roughly half of USDC reserve income with Circle under their long-standing partnership agreement.

The banking sector's opposition to yield-bearing stablecoins extends beyond regulatory preferences into systemic risk modeling. Standard Chartered analyst Geoff Kendrick, writing in January, projected that if the stablecoin market reaches approximately $2 trillion, banks in developed markets could lose around $500 billion in deposits by 2028. Emerging-market banks, Kendrick estimated, could face deposit outflows of close to $1 trillion over the same period. The projections formed part of the argument for guardrails on yield-bearing instruments that compete functionally with traditional deposit accounts.

Shay Boloor, Chief Market Strategist at Futurum Equities, said the restrictive draft "weakens a key part of the bull case," warning it would become harder for stablecoins such as USDC "to evolve from a payments utility into a real store-of-value product." Trader and analyst Sjuul Follings put it more starkly: "If the rumored draft bill passes, a core reason people hold stablecoins gets wiped out overnight."

Analysts at Bernstein pushed back against the market's reaction in a note published March 25, 2026, arguing that investors conflated two structurally different roles within the stablecoin ecosystem. "Don't conflate stablecoin issuer with distributor," wrote analysts led by Gautam Chhugani, who noted that Circle earns income on reserves while platforms such as Coinbase are the ones who pass yield through to users. The firm's position was that the CLARITY Act's yield provisions are aimed squarely at the distribution layer, leaving Circle's core business model outside their direct scope.

Circle's revenue model is built on investing the assets backing its USDC stablecoin — approximately $80 billion — into short-term U.S. Treasurys and collecting the spread. The company generated approximately $2.64 billion in reserve income in 2025 through that arrangement. Circle does not distribute yield to USDC token holders, which is the mechanism the proposed legislation directly targets. Bernstein argued that this structural distinction was what the broader market reaction failed to price in accurately.

The Bernstein note also suggested that yield restrictions could paradoxically benefit Circle's competitive positioning. By reducing the ability of rival stablecoin issuers to attract liquidity through aggressive user-facing yield offers, the rule change could narrow the field of viable business models to reserve-backed structures like Circle's. Coinbase, however, faces a more tangible adjustment — the firm would likely need to rework its USDC rewards product and shift toward engagement-based incentives tied to trading activity or onchain usage rather than passive yield. Bernstein said platforms could retain user interest through activity-linked incentives while remaining compliant.

The underlying growth trajectory of USDC has continued regardless of the regulatory debate. USDC's total supply expanded from approximately $30 billion to $80 billion over the past two years, with demand driven by its use as trading collateral, corporate treasury reserves, and cross-border settlement infrastructure. Onchain transaction volume processed through the USDC network reached $11.9 trillion in the fourth quarter of 2025. Despite holding the second-largest stablecoin supply by coin market cap, USDC leads the sector in transaction volume — a distinction that reflects its foothold in payment-oriented and enterprise use cases over passive holding.

Bernstein maintained Outperform ratings on both Coinbase and Circle as of March 25, 2026, with price targets of $440 for Coinbase and $190 for Circle. Chhugani and his team described the stablecoin investment case as "fast diverging" from the wider crypto market, positioning the sector as a "hyper-growth financial services category" in a client note. The analysts also disclosed that Chhugani holds long positions in various cryptocurrencies and that certain Bernstein affiliates serve as market makers or liquidity providers in the equity securities of both Circle and Coinbase.

Separately, in a note dated March 23, 2026, Bernstein identified an additional longer-term catalyst in agentic machine payments — transactions initiated, authorized, and settled entirely by autonomous software without human involvement. Unlike recurring billing or scheduled transfers, these are intrinsically programmatic and involve real-time price negotiation and settlement between AI agents. "We view agentic machine payments as an upside optionality for stablecoins," Chhugani's team wrote. "This is not a 'here and now' material impact on stablecoin demand, but some potential role of stablecoins in the agentic machine economy." The analysts cited stablecoins' programmability, instant settlement, micropayment compatibility, and borderless accessibility as structural advantages for this use case.

Coinbase has been building the x402 agent payments protocol, which embeds payment functionality directly into the HTTP layer of the internet. The protocol processed approximately $25 million in volume over the 30 days preceding the March 23 note. Circle launched its own nano payments infrastructure for agent-to-agent micropayment use cases. Stripe, through its blockchain investments in Bridge and Privy, launched the Machine Payments Protocol on the Tempo blockchain. Stripe's protocol processed $5,000 in volume during its first week of operation, according to the Bernstein note.

This article has been refined and enhanced by ChatGPT.