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V-Lab

Blom Stock Index EGARCH Volatility Analysis

Volatility prediction for Friday, July 10th, 2026

1 Day

15.60%

increased by 0.56%

1 Week

16.25%

increased by 1.21%

1 Month

18.12%

increased by 3.08%

Analysis last updated: Friday, July 10, 2026 at 08:36 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Blom Stock Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 19, 1996 to Apr 24, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 61% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0410
14.55***
α

ARCH

Response to squared shocks

0.2748
12.14***
β

GARCH

Volatility persistence

0.9294
66.25***
γ

leverage

Additional response to negative shocks

0.0641
4.65***

Persistence:

0.929

Half-life:

9 days