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Re:Robinhood is limiting purchases of stocks: AMC, Blackberr... by jen20 on Thursday January 28, 2021 @11:12AM (#25944117)
I spent many years building exactly this technology. It's hard, but it is (or should be) table stakes for the industry.

The risk of not finding a counterparty to which to sell is different - and real - which is why I did not disagree with that aspect of your post.

Re:Robinhood is limiting purchases of stocks: AMC, Blackberr... by snowwrestler on Thursday January 28, 2021 @12:29PM (#25945277)
Multiple online brokers had outages this week and blamed volume. Whether or not it should be possible, it seems possible.