Vortex Indicator

All functions · nseries package

VortexMinus

func (s Series) VortexMinus(h, l, c Series, n int) Series

VortexMinus implements the -VI component of the Vortex indicator, described by Etienne Botes and Douglas Siepman in TASC Jan 2010.

The warm-up reads 0, not NaN: bars 0 to n-1 are 0, below the indicator’s usual range of about 0.5 to 1.5.

VortexPlus

func (s Series) VortexPlus(h, l, c Series, n int) Series

VortexPlus implements the +VI component of the Vortex indicator, described by Etienne Botes and Douglas Siepman in TASC Jan 2010.

The warm-up reads 0, not NaN: bars 0 to n-1 are 0, below the indicator’s usual range of about 0.5 to 1.5.