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V-Lab

Hexagon Composites Asa GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

68.73%

decreased by 0.01%

1 Week

68.63%

decreased by 0.11%

1 Month

68.27%

decreased by 0.47%

Analysis last updated: Sunday, August 23, 2026 at 01:16 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Hexagon Composites Asa GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 18, 1997 to Aug 21, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 81 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 23% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1330
14.24***
α

ARCH

Response to squared shocks

0.0327
13.65***
β

GARCH

Volatility persistence

0.9551
511.03***
γ

leverage

Additional response to negative shocks

0.0075
2.07**

Persistence:

0.992

Half-life:

81 days