Based on ROC this indicator has been smoothed with filter and the zero line changed by a longer period of inverted ROC filtred as well . Buy/sell at the cross.
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。