Formula & Calculation Mechanism
Extreme fear signals investors are excessively anxious, often undervaluing stocks. Extreme greed indicates FOMO sentiment and overbought risk.
Market Impact on US Equities & S&P 500
Contrarian buying signals trigger when index drops below 25 (Extreme Fear); risk reduction triggers above 75 (Extreme Greed).
Historical Precedents & Bull/Bear Regimes
In October 2023, Fear & Greed reached Extreme Fear (18), marking the exact bottom before the S&P 500 rallied 25%. In March 2020, it hit a record low of 2.