The general mechanism to add technical analysis studies or overlays
to a financial chart created with chartSeries.All technical functionality is via the TTR package.
Current technical indicators include:
{add Volume if available}
- addBBands:
{add Bollinger Bands}
- addMACD:
{add Moving Average Convergence Divergence}
- addROC:
{add Rate of Change}
- addRSI
{add Relative Strength Indicator}
- addSMI
{add Stochastic Momentum Index}
- addExpiry
{add options or futures expiration lines}
- addADX
{add Welles Wilder's Directional Movement Indicator}
- addWPR
{add Williams Percentage R}
- addSAR
{add Parabolic SAR}
- addVert
{add vertical line}
- addHoriz
{add horizontal line}