Trump concept stock American Bitcoin's lock-up period ends and is halved, plunging over 50% in 30 minutes

The crypto mining company American Bitcoin Corp., co-founded by Eric Trump, suffered a flash crash in its stock price. After the company’s stock lock-up period ended this Tuesday, a large volume of restricted shares were released into the market, causing the stock price to plummet over 50% in less than 30 minutes and triggering multiple trading halts. Although the losses narrowed later, the stock still closed down 35% at $2.33. This plunge occurred after the company’s stock had already fallen more than 60% from its September high, highlighting the extreme volatility risk when “celebrity concept” and “stock unlock” pressures coincide amid an overall weak crypto market.

Flash Crash Chronicle: Lock-Up Ends, Sell-Off Ignites Instantly

The market once again witnessed the power of a liquidity floodgate opening. On Tuesday, American Bitcoin Corp.'s stock was hit with a devastating sell-off shortly after the market opened. Within just half an hour of the restricted stock lock-up period officially ending, the share price plunged, wiping out more than half of its market value. The intense volatility forced exchanges to repeatedly trigger circuit breakers in an attempt to calm market panic. Though selling pressure eased in the afternoon, as of 2:30 p.m. New York time, the stock was still down 35%, closing at $2.33.

The trigger for this sell-off was clear and direct: a batch of shares issued via private placement prior to the company’s merger with Gryphon Digital Mining Inc. became eligible for free trading on the open market on Tuesday. When shares held by early investors and insiders suddenly go from “can’t sell” to “can sell,” the market’s supply-demand balance flips instantly. Company President Matt Prusak had candidly set expectations in a statement: “We anticipate volatility in the short-term as these shares enter the market and some investors take the opportunity to realize gains.” His prediction was brutally validated that very day.

Eric Trump himself posted on social media platform X to confirm the unlocking event, while also attempting to calm the market: “I am holding all of my American Bitcoin Corp. stock. I am 100% committed to leading this industry.” However, the market’s reaction was far more pragmatic and unforgiving. For many crypto-listed companies whose investor base is mainly retail, the end of a stock lock-up period is often seen as a strong sell signal.

American Bitcoin Corp. Key Stock Data

Largest Single-Day Drop: Over 50% (within 30 minutes)

Closing Drop: 35%

Closing Price: $2.33

Drop from September Peak: Over 60% (as of Monday’s close)

Q3 Net Profit: $3.5 million

Q3 Revenue: $64.2 million

Deeper Analysis: Why Does “Unlock” Equal “Alarm”?

For crypto investors unfamiliar with public market rules, it may be puzzling: why does a simple stock unlock trigger such a violent market reaction? The answer lies in classic market behavior and investor psychology. First, early investors who receive unlocked shares (typically venture capitalists, private equity investors, and company insiders) usually have a much lower cost basis than the public market price. The end of the lock-up period is their first legal window to cash out massive profits, making them highly motivated to sell.

Second, retail investors generally view the end of lock-up periods as a negative event. They worry that early investor selling will create sustained selling pressure, prompting them to act preemptively and sell in order to avoid larger losses. This “early exit” behavior itself accelerates the price decline, becoming a self-fulfilling prophecy. Brian Dobson, Managing Director at Clear Street, noted that such post-unlock sell-offs are very typical in the market. He further warned, “Given the significant impact of today’s expiry on the stock, I believe investors are likely to closely watch upcoming lock-up expiries.” However, he also added that for future unlock events, shareholders “may be more cautious when selling shares.”

On a broader scale, this plunge is not an isolated incident. Since peaking in September, American Bitcoin Corp.'s stock was already down over 60% as of Monday’s close, mirroring Bitcoin’s own slump of over 25% from its early October high, reflecting a deep correction cycle across the digital asset market. Risk assets are broadly suppressed by macro factors, and investor sentiment toward crypto has deteriorated.

Chain Reaction: Mining Sector and Trump-Themed Tokens Also Fall

American Bitcoin Corp.'s flash crash had a clear ripple effect. The first to be hit was its parent company and major shareholder, Hut 8 Corp. Although American Bitcoin Corp.'s stock soared earlier this year after it was spun out of Hut 8 and announced new mining operations, now the “subsidiary’s troubles” have directly dragged down the parent. Hut 8’s stock was down as much as 15% during Tuesday’s session.

Secondly, the sell-off further highlighted the vulnerability of “Trump family concept” crypto assets in the current market environment. This is not just a single mining company’s stock issue, but a widespread dilemma for a connected ecosystem. Other crypto assets associated with Donald Trump Jr. also suffered heavy losses. For instance, WLFI, the token of World Liberty Financial, a DeFi platform linked to Trump, has dropped over 30% from its September peak. ALT5 Sigma Corp., a digital asset treasury company holding WLFI tokens, has seen its stock price plunge more than 80% from historical highs.

The sharp declines in these assets paint a clear picture: during bull markets, celebrity halos and storytelling effects attract attention and capital, driving prices higher. But when the market turns bearish or enters a deep correction, these “concept assets” lacking strong fundamentals and broad institutional holding support are often the first and hardest hit. Their extreme volatility is on full display during downturns.

Market Lessons: What “Unlock Plunge” Reveals About Crypto Stock Investing

The American Bitcoin Corp. case provides an important risk education lesson for investors, especially those trading crypto stocks. It clearly shows that when investing in such assets, one must pay close attention not only to Bitcoin prices, company hashrate, and revenue, but also to structural rules of the capital markets, such as stock lock-up periods and share issuance plans. These “non-operational” factors can often completely dominate price action in the short term.

For retail investors, there are several things to consider in the face of similar events: First, information transparency is crucial—investors should be aware of the company’s stock unlock schedule in advance. Second, understand herd behavior patterns in the market and avoid being the last to hold the bag when negative expectations become consensus. Third, distinguish between short-term trading and long-term investment. As President Prusak said: “Unlocking affects who can buy and sell, not the assets we operate or the day-to-day work of our team… We remain focused on strengthening our business and are confident in our strategy, performance, and the long-term value we are building.” This statement highlights the disconnect that can occur in the short term between a company’s operating fundamentals and its stock price performance in the secondary market.

From a broader perspective, this incident also reflects the growing pains as the crypto industry merges with traditional capital markets. High volatility, strong sentiment-driven moves, and celebrity effects—all hallmarks of the crypto world—create unique chemistry when entering the tightly regulated stock market. Investors need a more mature and comprehensive framework to assess the value and risk of these cross-market assets.