Since, we plot trend value which keeps incrementing/decrementing upon every step, this also helps us in identifying strength of trend and how long the trend is going on.
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 publications is governed by House rules. 您可以收藏它以在圖表上使用。