Since the GPS signal is just disciplining a local oscillator, it would have to be a sustained outage before drift starts to really matter. But yeah there is a point where it would make a difference.
> Same day settlement
This one is outside our control for the moment - we partner with a 3rd party for clearing and settlement, and would depend on our subscribers also making the switch to same-day.
Once we get into other asset classes, fast settlement is definitely of interest. Some cool stuff we could do with incorporating settlement instructions and/or counterparty risk constraints as part of the expressive bidding language.
