How often Azure calculates the forecast and actual billing?

Question

As per Microsoft

Estimated charges for the current billing period are updated six times per day.

but it does say how often it calculates the forecast vs actual billing?

Answer 1

Cost & usage data is typically available within 8 ~ 24 hours. And the cost analysis is just a tool to visualize the accumulated data, the interval at which the information are updated might be dependent to several factors as described Here