Acertus Market Sentiment Indicator
The Acertus Market Sentiment Indicator (AMSI) is a stock market sentiment indicator that generates monthly sentiment indications ranging from 0 (extreme fear) to 100 (extreme greed). The indicator views sentiment as a continuum with anxiety and complacency representing less extreme and nuanced forms of fear and greed, respectively.
Source: Wikipedia — Acertus Market Sentiment Indicator (CC BY-SA 4.0)