The strategy is based on Heikin Ashi calculation, you do not need to switch the candle to HA. The HA is used as a base entry, if a candle or two candles are bullish, then is valid to open a position, you can select the validation, one or two candles. Also, the strategy mainly uses volume indicators as a confluence, you can select VWAP , VWMA , and Volume...
This strategy utilize Heikin-Ashi candlestick chart. Heikin-Ashi technique is a Japanese candlestick-based technical trading tool that uses candlestick charts to represent and visualize market price data. Heikin-Ashi candle is essentially taking an average of the movement. There is a tendency with Heikin-Ashi for the candles to stay red during a downtrend and...
You can use this script to backtest Heikin-Ashi bar color change strategy. You have to apply this script to usual candles and not Heikin-Ashi!!! Background color indicates HA bar color. On change you'll see green/red arrows and alert will be fired. Also you can find in the code calculations of all HA OHLC values.