V-Lab
Czech Koruna GARCH Volatility Analysis
Volatility prediction for Monday, September 28th, 2026
1 Day
5.58%
decreased by 0.08%
1 Week
5.62%
decreased by 0.04%
1 Month
5.78%
increased by 0.12%
Analysis last updated: Friday, September 25, 2026 at 09:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 19, 1993 to Sep 25, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 172 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
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High persistence: persistence 0.996, shock half-life ~172 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0014 | 2.98*** |
| αARCH | 0.0351 | 6.10*** |
| βGARCH | 0.9608 | 150.86*** |
0.996
Persistence172d
Half-lifeσ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0014 | 2.98*** |
α ARCH Response to squared shocks | 0.0351 | 6.10*** |
β GARCH Volatility persistence | 0.9608 | 150.86*** |
Persistence:
0.996
Half-life:
172 days
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