V-Lab
Nissha Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
32.86%
decreased by 8.48%
1 Week
37.11%
decreased by 4.23%
1 Month
38.32%
decreased by 3.02%
Analysis last updated: Saturday, August 22, 2026 at 08:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 18, 2021 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.1179 | 30.95*** |
α ARCH Response to squared shocks | 0.3035 | 5.30*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
γ leverage Additional response to negative shocks | 0.0068 | 0.08 |
Persistence:
0.307
Half-life:
1 days
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