The Miami stock exchange (MIAX) has their matching engines colocated in Equinix's NY4 data center in Secaucus NJ, much like many other exchanges. I would not be surprised if TXSE does the same. Many trading firms already have their trading engines in that data center and I would assume TXSE would want quick access to that order flow and this might be easier if they are in NY4. Of course, they may want to have their c…
> I would assume TXSE would want quick access to that order flow Perhaps Texas could use a different trading model that doesn't require ultra high speed trading. Matt Levine often mulls the idea of a system with a trading window that doesn't let the fastest connection to the order book win. Perhaps an order book that works at human speeds so humans can trade too (I can think of a few ways to do it - but would need mo…
What would that model look like?
Suppose we trade infrequently but take orders whenever. A trade is coming up and the order book looks like this:
buy XMPL 100 shares $0.40
buy XMPL 150 shares $0.22
sell XMPL 100 shares $0.15
sell XMPL 100 shares $0.20
sell XMPL 100 shares $0.25
sell XMPL 100 shares $0.30
We can always fill the buy order for 100 shares. How much should that guy pay?