No, retail anywhere in USA is not allowed per brokers to trade in 5 decimals. No cash or normal accounts are allowed to do that. The account holder can not place a 5 decimal order. If brokers who do transact in 5 decimals is internal and still does not reflect retail volume. 2 different animals and the brokers have all the cards.
And one should read the disclosures of this entity to see that the share structure has altered substantially in restricted and authorized into the 7 billions in recent times.
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