This is a correct Aroon Indicator with histogram and center line.
發行說明
Signal line, whic if above 50 it is bullish, if below, it is bearish trend. It is switched off by default, because the same information can be read from the histogram, but you can turn it on in settings if you like.
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。