Maximum from the first bar through the current bar; equal maxima retain the
existing value. There is no fixed warmup. Default propagate makes the
remaining history NaN after any missing term. skip holds the last finite
maximum, with NaN before the first finite term. Unknown policies throw
TypeError; empty input returns an empty array.
Maximum from the first bar through the current bar; equal maxima retain the existing value. There is no fixed warmup. Default
propagatemakes the remaining history NaN after any missing term.skipholds the last finite maximum, with NaN before the first finite term. Unknown policies throw TypeError; empty input returns an empty array.