To comply with regulations regarding the sale of unregistered securities and to minimize the manual processing associated with trading shares that are not publicly quoted, IBKR imposes certain restrictions on U.S. Microcap Stocks. A list of those restrictions, along with other FAQs relating to this topic are provided in the IBKR Knowledge Base.
Why do I see "Transfers and clear-way trading of US Micro-Cap Stocks is restricted"?
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U.S. Microcap Stock Restrictions
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