and a "gut feeling" for what will happen on Sunday based upon past weekends of other movies.
Obviously, it is not an exact science, which is why all cashouts for deriviatives and MovieStocks are based upon the Actuals which are published the next day.
However, the basis of the HSX adjusts are the figures that we see on the TV news and in the newspaper. Sometimes there is an over estimation, sometimes there is an underestimation. It all evens out over time.
Remember, there is no crying in HSX