Could also be useful for using HA calcs in strategy scripts on normal candles chart for proper backtesting.
I adapted this to v4 from original v2 script by @samtsui. If you like please remember to give him a Thumbs Up for his original version! ->
If you would like to buy me a refreshing beverage :)...
LTC (preferred): LTDaAe7nPzbpBhZVT9o5f9f8M3aZSPa46Y
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.