v9
Added:
hi(val) Calculates the all-time high of a series.
Parameters:
val: Series to use (high is used if no argument is supplied).
Returns: The all-time high for the series.
lo(val) Calculates the all-time low of a series.
Parameters:
val: Series to use (low is used if no argument is supplied).
Returns: The all-time low for the series.