Cambridge dictionary: listed stock noun [ C ] UK US a share or shares in a company that can be bought and sold on a particular stock market
OTCQX, OTCQB, and OTC Pink are markets. You mention the OTCBB, maybe you’re not familiar with the fact that it’s been replaced by the OTC Markets which now have listing requirements? They don’t actually trade OTC with pink pieces of paper anymore, either.
Maybe Investopedia can help me? “OTC Markets Group is the largest U.S. marketplace for OTC securities with over 10,500 securities listed as of 2019.“
“ The most visible aspect of the OTC Markets Group's stewardship is the breakdown of the OTC market into three tiers, based on the quality and quantity of the listed companies’ information and disclosures.”
“ Pink sheet-listed companies are companies that are not listed on a major exchange like the New York Stock Exchange (NYSE) or the Nasdaq.”
“ Rules of the OTCQB To be eligible, companies must be current in their reporting, undergo annual verification and certification, meet a $0.01 bid test, and may not be in bankruptcy. Companies listed here report to a U.S. regulator such as the SEC or FDIC
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