There is no profit in running spreadsheets

And spreadsheets run for the cost of electricity.  That is why we can automate this whitening of the trade space with N-color queues, N typically 1,2,3,5. These being the ledger, pit, central banker and the 5 currency FX balancer. The more color the more the binding. We don't do 7, until the next amateur mathematician comes along.

The only thing left to humans is productivity, they be good at that.