Shares of blockchain infrastructure company Coinbase (NASDAQ:COIN) fell 10.5% in the afternoon session after reports surfaced about proposed legislation that could negatively impact stablecoins, a key part of its business.

The potential for new regulations added to a wave of negative sentiment already affecting the crypto markets. Adding to the pressure, research firm Argus reiterated a 'Hold' rating on the stock and lowered its earnings estimates, pointing to the sharp declines and ongoing volatility in cryptocurrency prices.

The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks. Is now the time to buy Coinbase? Access our full analysis report here, it’s free.

Coinbase’s shares are extremely volatile and have had 51 moves greater than 5% over the last year. But moves this big are rare even for Coinbase and indicate this news significantly impacted the market’s perception of the business.

The previous big move we wrote about was 7 days ago when the stock gained 4.2% as sentiment in the crypto space continued to improve.

Adding to the momentum, Coinbase announced the launch of AgentKit in collaboration with World and Cloudflare. This new developer toolkit enables AI agents to perform verified "human-backed" transactions and micropayments. This pivot into the growing AI agent economy, combined with Bitcoin’s resilient price action in the mid-$74,000 range and steady spot-ETF inflows, reinforced confidence in Coinbase’s diversified revenue model beyond simple retail trading.

Coinbase is down 24.8% since the beginning of the year, and at $177.82 per share, it is trading 57.6% below its 52-week high of $419.78 from July 2025. Investors who bought $1,000 worth of Coinbase’s shares at the IPO in April 2021 would now be looking at an investment worth $541.66.

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