It shows abnormalities in the price. It calculates using ATR value by using the current price. The default value is the last 7 bars, but you can change it. It takes values between 0-100. High value shows that the price is too much volatile.
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。