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V-Lab

NVIDIA Corp GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, July 15th, 2026

1 Day

45.05%

increased by 0.43%

1 Week

45.67%

increased by 1.05%

1 Month

47.99%

increased by 3.37%

Analysis last updated: Tuesday, July 14, 2026 at 09:29 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of NVIDIA Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 22, 1999 to Jul 10, 2026

Model Insight

With persistence 0.996, volatility shocks have a half-life of 167 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 172% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1448
14.54***
α

ARCH

Response to squared shocks

0.0369
11.80***
β

GARCH

Volatility persistence

0.9272
352.93***
γ

leverage

Additional response to negative shocks

0.0635
10.77***

Persistence:

0.996

Half-life:

167 days