As an added bonus, can be calculated by non-traditional methods (not using the running/ ) using a variety of different moving averages, but you may have to adjust the time-frame for 'faster' moving averages. An option for plotting the moving average basis is also available.
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.