Skip to main content
V-Lab

Alphabet Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

43.63%

decreased by 1.35%

1 Week

43.16%

decreased by 1.82%

1 Month

41.51%

decreased by 3.47%

Analysis last updated: Friday, July 24, 2026 at 09:44 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Alphabet Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 19, 2004 to Jul 24, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 132% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0873
9.45***
α

ARCH

Response to squared shocks

0.0295
12.56***
β

GARCH

Volatility persistence

0.9286
219.22***
γ

leverage

Additional response to negative shocks

0.0389
6.82***

Persistence:

0.978

Half-life:

31 days