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Bollinger bands is a mix of Rolling Range and SMA indicators. It shows the average price and its range over n past values based on price volatility.
bbands(x, n, k)
numeric vectors
window size
number of standard deviations
Returns data.table with columns upper, lower, sma.
upper, lower, sma
Other technical indicators: crossover, ema, roll_lm, roll_percent_rank, roll_range, roll_sd, roll_volume_profile, rsi, sma, stochastic
crossover
ema
roll_lm
roll_percent_rank
roll_range
roll_sd
roll_volume_profile
rsi
sma
stochastic