Earlier quoted context omitted.
The beauty of it, though, is that it would recover almost immediately as systems arbitrage an obviously stupid situation.
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 tradin…
I have seen a once-daily auction proposed, which seems like a sensible approach to me.