Holders of stock that had its registration revoked still own the same amount of shares held prior to the company's stock registration being revoked, but the stock is now of a private company. Since the stock cannot trade on any public market the ticker no longer exists, thus the symbol '17253v109' in your account that replaced the former ticker CPPD.
To your question, the stock has no tangible value unless someone wanted to buy your shares in a private transaction.
It is quite rare for a company that had its stock registration revoked to submit a new FORM 10 to reregister the company's stock. Nonetheless, it has happened for a few stocks over the last 11+ years. So, there is that very faint hope. A shareholder could try to contact the company to see if the company still operates business, and if so to then ask if the company has any intentions to reregister with the SEC. If the company is out of business then there is no likely chance the company or any other company would attempt to reregister with the SEC.
If a shareholder of a stock that no longer trades on any public market desires to remove the stock from their Brokerage account they can ask their Broker to take possession of their stock for zero value. Most Brokers will accommodate their client's request and that shareholder can then claim the monetary losses on their capital gains/losses tax filings.
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