For each date, evaluates a formula for each symbol, then calculates the median value for all symbols on that dateand stores that value in the data item array for every symbol.
Syntax
#Median formula
Example
MedPriceToday: #Median Close
Calculates the average closing price across all stocks today and stores that value in today's slot for each symbol.
Notes
If the formula result is nan (not a number -- unable to calculate)then that stock is not included in the count from which the median is derived.
