3 ms·

Also because of algorithmic trading. You don't want to get into an accelerated get-out-now spiral.

• take_a_breath 7y ago
  This sounds like something we should teach the algorithms.
  • Isamu 7y ago
    Heh, yeah but it's an adversarial problem. Do you assume the other bots are going to "do the right thing" and not intensify the panic? Maybe not. Maybe you just act on immediate information and try to optimize your position for the next few milliseconds.
  • gpm 7y ago
    "We" (the group of people represented by the government) do not control the algorithms, so we can't easily and without many other side effects force that to happen. We do (indirectly) control the stock exchange rules, so we can put systems like this in place that limit the damage done to us when it does happen.