Recently, someone asked me about stock delisting, and that’s when I realized that many investors actually don’t understand this concept very well. Honestly, if your stock suddenly faces delisting risk, this is truly an issue that needs to be taken seriously—especially since delistings of U.S. stocks have been quite common in recent years.

First, let’s talk about what delisting is. Simply put, it means that a company’s stock that was originally listed and traded on an exchange loses its listing status—because it no longer meets the listing standards or because it voluntarily applies to be delisted. Once a stock is delisted, you can’t buy or sell it on that exchange anymore. Many people worry that the stock will become worthless, but the reality is a bit more complicated.

Why do companies get delisted? I’ve seen several common situations. The most common is deteriorating financial conditions—continuous losses, negative net worth, or financial reports where the accountants issue a disclaimer. For example, Chesapeake Energy, a natural gas producer, filed for bankruptcy protection in 2020 and ultimately completed its restructuring in 2021. There are also issues involving violations—like Luckin Coffee committing financial fraud, which led to its removal from the NASDAQ main board. In addition, some companies choose to go private on their own, or are acquired, and they may apply for delisting as well—such as Dell Technologies’ 2013 privatization case.

Delisting doesn’t happen overnight. Usually, it goes through a process that takes several months. The exchange first issues a warning, often marking the stock with “ST” or “*” in front of its name—this is when you should be on high alert. Then the company has a 3 to 6 month improvement period, such as submitting revised financial reports or bringing in investors. If the targets are not met, the exchange will hold a review meeting to decide whether to delist. Only then is the official delisting date.

After a stock is delisted, does it still have any value? That depends on the reason for the delisting. If the company goes private voluntarily, and only 10%-20% of the shares are in circulation, major shareholders are very likely to buy back your shares later at a higher price—so in this case, your shares’ value could actually rise. But if the company goes bankrupt, it’s more troublesome, because shareholders are at the end of the repayment order, and how much they can get back depends on what remains after liquidation. Situations where the market value is too low or the share price is too low are also hard to deal with—liquidity is poor, and very few people are willing to take over.

The approach I recommend is as follows. First, closely monitor company announcements and understand the specific handling plan after delisting. Some companies offer share repurchase plans—if you accept, you need to complete the procedures within the deadline. Some may move trading to the over-the-counter market; although liquidity is lower, trading is still possible. If the company undergoes bankruptcy liquidation, you’ll need to wait until the liquidation process is completed. If there’s no plan, you can consider transferring your shares privately to other shareholders.

To mitigate the risk of U.S. stock delisting, my advice is to analyze the company’s business outlook and financial condition seriously before buying, and make sure it meets the exchange’s requirements. Even more important is to diversify your investment portfolio—don’t concentrate your funds excessively in a single stock or asset class. Based on your risk tolerance, you can make a reasonable allocation among stocks, funds, contracts for difference, and bank deposits.

Finally, don’t let rumors make you think that delisting automatically means losing everything. As long as you keep up with information in a timely manner and respond appropriately, there’s still a chance to reduce losses. If, after assessment, the likelihood of losses is high and someone is willing to take over, then sell quickly. If the chances of profit are good, you can continue holding and wait for a higher buyback price. Sometimes, delisted stocks can be relisted, and then your shares can trade again. The key is to stay vigilant and act promptly.