V-Lab
IEC Education Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
86.87%
decreased by 1.95%
1 Week
86.63%
decreased by 2.19%
1 Month
85.80%
decreased by 3.02%
Analysis last updated: Saturday, August 22, 2026 at 09:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 9, 2009 to Aug 21, 2026Illiquid Asset
Model Insight
Volatility shocks decay with a half-life of 33 trading days, meaning a shock loses half its impact after approximately 33 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5398 | 8.53*** |
α ARCH Response to squared shocks | 0.2203 | 12.00*** |
β GARCH Volatility persistence | 0.7357 | 36.81*** |
γ leverage Additional response to negative shocks | 0.0463 | 1.46 |
Persistence:
0.979
Half-life:
33 days
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