V-Lab
Israeli Shekel GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
8.47%
decreased by 0.29%
1 Week
8.44%
decreased by 0.32%
1 Month
8.34%
decreased by 0.42%
Analysis last updated: Tuesday, September 8, 2026 at 07:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 8, 1991 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 63 trading days, meaning a shock loses half its impact after approximately 63 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 63-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0022 | 5.74*** |
| αARCH | 0.0712 | 6.03*** |
| βGARCH | 0.9273 | 144.77*** |
| γleverage | -0.0190 | -1.13 |
0.989
Persistence63d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0022 | 5.74*** |
α ARCH Response to squared shocks | 0.0712 | 6.03*** |
β GARCH Volatility persistence | 0.9273 | 144.77*** |
γ leverage Additional response to negative shocks | -0.0190 | -1.13 |
Persistence:
0.989
Half-life:
63 days
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