Use Golden Ratio Trading Strategy.
This have 3
1) Enter at the break below the bottom of the Bollinger Bands.
2) Enter only when the candle forms a tail.
3) Enter when the chart wave retraces to 0.236.
4) Enter when there is a divergence.
* The probability of trend reversal increases when divergence is formed.
1) BB breakout, 2) divergence, 3) candle tail, 4) 0.236 retracement, etc.
The algorithm is designed to enter when these signals appear simultaneously.
In fact, I've used this strategy in my own trading and it's been very profitable.