V-Lab
Visne Madencilik Uretim Sana GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
45.03%
decreased by 1.63%
1 Week
51.68%
increased by 5.02%
1 Month
65.42%
increased by 18.76%
Analysis last updated: Friday, July 24, 2026 at 08:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 11, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9832 | 8.92*** |
α ARCH Response to squared shocks | 0.2475 | 7.46*** |
β GARCH Volatility persistence | 0.7013 | 34.85*** |
γ leverage Additional response to negative shocks | -0.0488 | -1.03 |
Persistence:
0.924
Half-life:
9 days
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