[[Algoroo]] Its “roo” score measures daily Google SERP volatility: higher scores indicate greater ranking fluctuations and possible algorithm changes. ([vijaychauhanseo.com](https://www.vijaychauhanseo.com/tools/google-volatility?utm_source=openai))
[[Semrush]] Sensor offers a useful alternative for cross-checking volatility.
[[Moz]] MozCast visualizes Google ranking turbulence as a weather-style temperature score.