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V-Lab
V-Lab

XtalPi Holdings Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

63.20%

decreased by 0.12%

1 Week

62.95%

decreased by 0.37%

1 Month

62.00%

decreased by 1.32%

Analysis last updated: Wednesday, September 16, 2026 at 05:35 PM UTC

Date Range:

from

to

6M ·

All

graph of XtalPi Holdings Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 9, 2026 to Sep 11, 2026
Hessian SE

Model Insight

With persistence 0.996, volatility shocks have a half-life of 179 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.996, shock half-life ~179 days
ParamValuet-stat
ωconst0.0000
0.00
αARCH0.0000
0.00
βGARCH0.9961
0.00
γleverage0.0000
0.00

0.996

Persistence

179d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9961
0.00
γ

leverage

Additional response to negative shocks

0.0000
0.00

Persistence:

0.996

Half-life:

179 days