buy conditions:
1. price> ema 34 [and]
2.ema34>ema70>ema105[and]
3.price crossover central line of bollinger band (20,2.0)
sell conditions:
1 price <ema 34 [and]
2.ema 34<ema 70 <ema105 [and]
3.price cross under central line of bollinger band (20,2.0)
I added an extra option for risk management.
Close open positions on Cental line Cross.
The Strategy was revised and updated on November 19, 2018.