BB(20,2) of nifty futures on time frame 4,6min are presented below.
Go long when Red+Green candles pierce the bottom band and wait for 15minutes
for confirmation after taking position, otherwise come out with stoploss
Go short when Green+Red candles pierce the top band and wait for 15minutes
for confirmation after taking position , otherwise come out with stoploss
Otherwise continue with TREND if candles graze(ride) TOP/BOTTOM
bands.
Except for the sprint before close, otherwise ATR was bad.