V-Lab
Square Textiles PLC GJR-GARCH Volatility Analysis
Volatility prediction for Sunday, September 13th, 2026
1 Day
26.85%
increased by 5.98%
1 Week
27.49%
increased by 6.62%
1 Month
29.89%
increased by 9.02%
Analysis last updated: Friday, September 11, 2026 at 06:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 22, 2002 to Sep 10, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 229 trading days (~0.9 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 0.997, shock half-life ~229 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0784 | 2.82*** |
| αARCH | 0.1660 | 3.70*** |
| βGARCH | 0.8504 | 50.28*** |
| γleverage | -0.0389 | -0.52 |
0.997
Persistence229d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0784 | 2.82*** |
α ARCH Response to squared shocks | 0.1660 | 3.70*** |
β GARCH Volatility persistence | 0.8504 | 50.28*** |
γ leverage Additional response to negative shocks | -0.0389 | -0.52 |
Persistence:
0.997
Half-life:
229 days
Other Square Textiles PLC Analyses
Other GJR-GARCH Analyses on International Equities