Market sentiment indicators: how to gauge risk appetite

Price-based indicators

These are read straight from markets, update constantly and show what investors are doing with real money.

• The VIX. Expected volatility of the S&P 500, implied by options prices. A rising VIX means investors are paying more for protection. Readings above 30 have typically coincided with market stress, and readings below 20 with calm.
• Credit spreads. The extra yield investors demand to hold riskier company bonds instead of government bonds. Widening spreads mean lenders are getting nervous, often before stock investors do.
• Safe-haven flows. Rising demand for US Treasuries, the dollar, the yen, the Swiss franc and gold signals a move toward safety.
• Market breadth. Whether a rally is carried by most stocks or by a handful of large ones. Narrow rallies are more fragile.
• The put/call ratio. How many options betting on a fall are traded for each one betting on a rise. A high ratio signals fear.

Survey-based indicators

Surveys ask investors directly how they feel. They show opinions rather than trades, and they move more slowly.

• The AAII Sentiment Survey. A weekly poll asking individual investors whether they are bullish, neutral or bearish on stocks over the next six months.
• The BofA Global Fund Manager Survey. A monthly survey of professional fund managers covering their cash levels, biggest worries and most crowded trades.
• Composite indexes such as CNN's Fear & Greed Index, which combines several market measures into one score from 0 (extreme fear) to 100 (extreme greed). Crypto has its own versions.

Positioning and flow indicators

These show how investors are actually positioned, which matters because crowded positions can unwind fast.

• Fund flows: money moving into or out of stock, bond and crypto funds and ETFs.
• The CFTC Commitments of Traders report: a weekly breakdown of how different types of traders are positioned in futures markets.
• Margin debt: how much investors are borrowing to buy stocks. High and rising leverage makes sell-offs sharper.
• Crypto funding rates and open interest: how much traders are paying to hold leveraged bets, and how large those bets are.

Commentary: what informed people are saying

The fourth source is the one Read on Risk tracks: the views of investors, analysts and podcasters who discuss markets in public. It has strengths the other indicators lack. It comes with reasons, not just numbers. It is forward-looking, about what people expect rather than what has happened. And it covers subjects that markets struggle to price directly, such as whether AI spending will pay off.

It has weaknesses too. A panel of voices is small and hand-picked, so it reflects who is chosen. People can say one thing and position another way. And commentators often lag prices, explaining a move after it has happened. Ourmethodology explains how we score the voices and limit these problems, and thevoices page shows exactly who is included.

Using sentiment as a contrarian signal

Many investors treat extreme sentiment as a warning. When nearly everyone is bullish, there are few buyers left to push prices higher. When nearly everyone is bearish, much of the bad news may already be in the price. The catch is timing: sentiment can stay extreme for months, and a market that is "too bullish" can keep rising for a long time.

Putting them together

No indicator works alone. A useful habit is to check whether the different families agree. If prices are calm, surveys upbeat, positioning crowded and commentators unanimous, the mood is clearly risk-on, and possibly stretched. When they disagree, for example when commentators turn cautious while prices still rise, the disagreement is often the most interesting signal of all. Nothing here is investment advice.