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How much are stocks swinging?

Volatility sets how much a position can move against you in a week, and how big a position should be. When stocks also move together, owning many of them protects less; when the spread between them is wide, stock choice matters more.

Updated Oct 9, 2026

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of 100

Calm

Over the past month the S&P 500 has moved about 0.6% a day, less than on 82% of days in the last five years. The typical stock moves about 1.5% a day, and 11% of stocks are swinging more than usual for them.

Index 10% annualizedTypical stock 25%Correlation about 0.10
Past year

Over time

Select any measure or stock. Score compares today with the last five years; Value is the volatility itself.

S&P 500 volatility, past month
100 means the most volatile it has been in five years.
0255075100NovDecJanFebMarAprMayJunJulAugSepOct

Stocks swinging most against their own normal

Each stock’s past-month volatility scored against its own last five years. Select a column to sort.

Stockvs its normalDaily move nowUsual1M changeSectorVolatility, past year

How to read this page

How it’s measured. Daily moves over the past month, annualized, for the S&P 500 and its members as they stood on each day. Scores compare each reading with its own last five years; 100 is the highest.

Sources. Daily prices from Financial Modeling Prep.

Volatility is the standard deviation of daily moves over the past month, annualized. Dividing by about 16 gives the typical daily move. Correlation is estimated from the index’s volatility against the average stock’s, so it is approximate.

In our research, where the VIX sits in its own five-year history is the best single gauge of future market risk; it predicts risk, not direction. These readings are descriptive.

This page is information, not investment advice. About our data and methods ›

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