V-Lab
Aselsan Elektronik Sanayi Ve Ticaret AS GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
48.30%
decreased by 1.19%
1 Week
48.69%
decreased by 0.80%
1 Month
49.91%
increased by 0.42%
Analysis last updated: Friday, July 24, 2026 at 08:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1994 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4027 | 7.63*** |
α ARCH Response to squared shocks | 0.0631 | 7.37*** |
β GARCH Volatility persistence | 0.8928 | 100.90*** |
γ leverage Additional response to negative shocks | 0.0179 | 1.72* |
Persistence:
0.965
Half-life:
19 days
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