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V-Lab

Everforth Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

76.10%

decreased by 1.23%

1 Week

75.85%

decreased by 1.48%

1 Month

74.88%

decreased by 2.45%

Analysis last updated: Friday, July 24, 2026 at 10:30 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Everforth Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 22, 1992 to Jul 24, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 85 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 327% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1088
10.81***
α

ARCH

Response to squared shocks

0.0167
10.55***
β

GARCH

Volatility persistence

0.9478
441.66***
γ

leverage

Additional response to negative shocks

0.0548
11.92***

Persistence:

0.992

Half-life:

85 days