I think that if someone figured out what Goldman Sachs chart reading desk uses for patterning their success rate it would be best. Oh wait. They don't have one.
Anything could work if the profit target is half the daily average true range and the stop loss is a third of the profit target. Smart money is in SPX options, they don't even wait for the chart patterns to complete.
"The Heikin-Ashi Formula Normal candlestick charts are composed of a series of open-high-low-close (OHLC) candles set apart by a time series. The Heikin-Ashi technique shares some characteristics with standard candlestick charts but uses a modified formula of close-open-high-low (COHL):" This is from .... https://www.investopedia.com/trading/heikin-ashi-better-candlestick/ It shows basically an average of prices with different candles.
I think the key is also in what stocktracker says, if you don't have an idea of where prices can go, it's very difficult.
What stops you from trying it out? At least coding it in Wealth-Lab should be rather trivial. -Eugene
Heiken -Ashi are very nice visually and do help filter out some noise but if you are backtesting, be careful as they have an inherent look back affect which will make results much better than they really are....