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V-Lab

ParkerVision Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

124.03%

increased by 14.88%

1 Week

124.01%

increased by 14.86%

1 Month

123.92%

increased by 14.77%

Analysis last updated: Saturday, July 25, 2026 at 09:26 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ParkerVision Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 2, 1993 to Jul 24, 2026

Model Insight

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 72% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0544
15.28***
α

ARCH

Response to squared shocks

0.0613
12.52***
β

GARCH

Volatility persistence

0.8992
223.56***
γ

leverage

Additional response to negative shocks

0.0441
3.62***

Persistence:

0.983

Half-life:

39 days