The well known Chaikin Money Flow Indicator as oscillator version.
General Usage The indicator runs both above and below zero, made to denote whether an asset is in a bullish (above zero) or bearish (below zero) trend. It can be used to confirm trends, as well as spot possible trading signals due to divergences. A benefit of the oscillator version is that it can produce LONG or SHORT signals on zero line cross.
Moving Averages 4 different Moving Averages are available: