What is the Fear and Greed Index?

The Fear and Greed Index, originally developed by CNN Business, is a composite sentiment indicator that distills seven distinct market signals into a single numerical score ranging from 0 (extreme fear) to 100 (extreme greed). The seven components capture different dimensions of market sentiment, providing a more robust reading than any single indicator alone.

The seven components are: market momentum (S&P 500 relative to its 125-day moving average), stock price strength (net new 52-week highs minus lows on the NYSE), stock price breadth (advancing versus declining volume), put and call options activity (the put-call ratio), market volatility (the VIX relative to its 50-day moving average), junk bond demand (the spread between high yield and investment grade bonds), and safe haven demand (the relative performance of stocks versus bonds over the trailing 20 days).

The index is used primarily as a contrarian indicator. When the index registers extreme fear (below 20), it suggests that pessimism may be overdone and that a buying opportunity may be emerging. When it registers extreme greed (above 80), it suggests complacency and potential vulnerability to a correction. This contrarian application is based on the behavioral finance observation that emotional extremes in markets tend to coincide with inflection points.

While the Fear and Greed Index provides a useful snapshot, it has limitations. It is backward-looking, reflecting what has already happened in markets rather than predicting what comes next. It can remain at extreme readings for extended periods during strong trends. And its construction is relatively simple, without sophisticated weighting based on the predictive power of each component.

For practical use, the Fear and Greed Index works best as one input within a broader analytical toolkit. Combining it with positioning data (CFTC commitments of traders), flow data (ETF inflows/outflows), and fundamental valuation metrics provides a more complete picture. The index is most actionable at genuine extremes (below 10 or above 90), which occur infrequently but have a reasonable track record of marking significant turning points.