There is no reason why these markets need to be centralized in one place. Everything else takes place over the internet. Why does this still operate the same way it did in the 1800’s?
Antiquated and outdated.
The irony is that in the past, all the exchange personnel would have just hunkered down at a hotel (like the Millennium at the WTC) but it looks like they have realized that they will be stuck in a truly nonfunctional city today.