quantmod (version 0.3-0)

addBBands: Add Bollinger Bands to Chart

Description

Add Bollinger Bands to current chart.

Usage

addBBands(n = 20, ma = "SMA", sd = 2, on = 1)

Arguments

n

number of moving average periods

ma

type of moving average to be used

sd

number of standard deviations

on

which figure area of chart to apply to

Value

• Bollinger Bands will be drawn, or scheduled to be drawn, on the current chart. A chobTA object will be returned silently.

Details

See bollingerBands in TTR for specific details as to implementation and references.

References

See bollingerBands in TTR written by Josh Ulrich

See Also

addTA

Examples

addBBands()