Earlier quoted context omitted.
If you are operating a brokerage that can't cover when people are buying stock with all cash then you should be in breach and be forced to shut down and/or forced into bankruptcy by owing all the stockholders of the stocks in question the actual damages you caused them. Your only real job is to operate fair and unbiased bid/ask spreads and execute trades fairly. If you aren't going to do that then you are running a s…
I think one thing people are very confused by is the “all cash” part of your sentiment. If you “deposit” money with Robinhood (or any other broker) and can trade it immediately (or any timeframe less than a few days) you are not trading cash. Cash takes days to move from 1 account to another without taking on credit risk. Similarly if you sell shares in 1 symbol and buy shares in another in less of a time frame than…
That is not what I'm talking about though. I'm talking about 100% cash.
If you are trading on margin you can get margin called. If you aren't though your broker has no right to do this kind of stuff.
You are suggesting the casino would grab the ball for people who were not using amex. Deeply illegal.