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V-Lab

CBOE NASDAQ-100 Volatility Index EGARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

104.03%

decreased by 5.18%

1 Week

102.91%

decreased by 6.30%

1 Month

99.45%

decreased by 9.76%

Analysis last updated: Tuesday, July 21, 2026 at 12:02 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of CBOE NASDAQ-100 Volatility Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 23, 2001 to Jul 17, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1180
7.07***
α

ARCH

Response to squared shocks

0.0828
19.90***
β

GARCH

Volatility persistence

0.9656
294.58***
γ

leverage

Additional response to negative shocks

0.1485
33.44***

Persistence:

0.966

Half-life:

20 days