"TD Ameritrade will only accept orders to liquidate positions - (i.e. no new buy orders) starting on or after September 3, 2021. Please note: After the amendment officially goes into effect on September 28, 2021, it may be more difficult to liquidate these securities. Quoting and market liquidity may also be very limited. The list is below as of August 23, 2021 and is subject to change at any time", as in; OTC's backlog of a ton of filings now.