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.
Trend indicator. It is based on a , the maximum and minimum of this moving average for the period. When the moving average coincides with its maximum for the period , the trend is rising, when the moving average coincides with its minimum for the period, the trend is falling. The optimal periods should be selected for each timeframe and trading instrument.