The most well-known measure of market sentiment is the CBOE Volatility Index, or VIX. The VIX measures expected price fluctuations or volatility in the S&P 500 Index options over the next 30 days.

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The Cboe Volatility Index, or VIX, climbed to 22.78 on Monday. That is its highest closing level since the day after the Federal Reserve’s December meeting, when the central bank’s wait-and ...

The Cboe Volatility Index, or VIX, jumped to its highest level of the year on Tuesday. Traders are betting it will keep rising. President Trump's tariffs and retaliatory action from the U.S.'s top tra ...

The S&P VIX Index (VIX) traded at 18.62 in mid-afternoon action after topping 19 earlier in the session. On Friday afternoon, ...