V-Lab
Czech Koruna GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
5.51%
decreased by 0.07%
1 Week
5.55%
decreased by 0.03%
1 Month
5.72%
increased by 0.14%
Analysis last updated: Sunday, July 26, 2026 at 01:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 19, 1993 to Jul 24, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 166 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0015 | 11.77*** |
α ARCH Response to squared shocks | 0.0363 | 16.85*** |
β GARCH Volatility persistence | 0.9609 | 605.84*** |
γ leverage Additional response to negative shocks | -0.0027 | -0.98 |
Persistence:
0.996
Half-life:
166 days
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