alt Hacker NewsThe beauty of it, though, is that it would recover almost immediately as systems arbitrage an obviously stupid situation.
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Most of the time things will work as they are supposed to and arbitrage will work as a damper. Every once in a while you'll get a self-reinforcing loop and then it will work as an a run-away amplifier.
No, they stop hunt their way to depressed prices where they then buy anticipating the recovery while you closed out your “safe” retirement positions at -15%.
I'm extremely skeptical about this.
24/7 trading will definitely burn a lot of extra energy in datacenters, make some speculators a little richer, and make a LOT of retail investors nervous…
But what actual real-world problem will it solve?
I for one am skeptical that more liquidity is always good. I think that having achieved $0.01 spreads, we're well-past the point of diminishing returns with high-frequency trading.
In the past, stupid situations on Wall Street have not resolved that way; they've resulted in disasters that cause economic harm to many people in the country and the world. Though sometimes people on Wall Street do make money from those situations.
But on what time scale? Before a few connected entities make a profit or after?