Euro Spline-GARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
4.16%
decreased by 0.05%
1 Week
4.18%
decreased by 0.03%
1 Month
4.23%
increased by 0.02%
Analysis last updated: Sunday, October 18, 2026 at 03:09 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 16, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 163 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Spline-GARCH Model
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High persistence: persistence 0.996, shock half-life ~163 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0310 | 7.28*** |
| αARCH | 0.0264 | 8.50*** |
| βGARCH | 0.9694 | 263.84*** |
Spline Coefficients
K=1
| γ1 | -0.0004 | -1.06 |
0.996
Persistence163d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0310 | 7.28*** |
α ARCH Response to squared shocks | 0.0264 | 8.50*** |
β GARCH Volatility persistence | 0.9694 | 263.84*** |
Spline Coefficients
K=1
| γ1 | -0.0004 | -1.06 |
Persistence:
0.996
Half-life:
163 days
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