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this post was submitted on 01 Apr 2024
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Asklemmy
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The stock market is rigged too -- I've seen multiple instances where hedgies are using algorithms to do their stock trading, only to get something wrong, and we end up... REVERSING THE TRADES FOR THEM!!!
Algo-traders, should be permanently locked into their trades. Make a mistake -- oh...fucking...well.
Quite the opposite, western stock markets are highly regulated. What you saw was probably high frequency traders making a transaction that they were not allowed to make. Depending on markets and contracts they have very tight rules they need to adhere to, things like how many orders they can place in a day or in a second, how many they can cancel etc. If they mess up the transaction could be reversed and they'd regret doing so - mistake or not. Depending on the offence they could face fines or hours/days not allowed to trade (ie shitloads of money). These things DO get enforced.
If they just make a mistake, they have to suck it up, someone doesn't get their bonus that quarter. There is no rollback button.
The high frequency traders have specialized hardware that executes trades on nanosecond scale directly connected to exchange DRAM. They can make a trade on an asset and reverse it before anyone even knows it was a bad trade. Meanwhile the dumb money waits.