V-Lab
iShares MSCI France ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
12.34%
decreased by 0.38%
1 Week
12.96%
increased by 0.24%
1 Month
14.72%
increased by 2.00%
Analysis last updated: Tuesday, September 8, 2026 at 10:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 2, 1996 to Sep 4, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 17 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1458 | 5.27*** |
| αARCH | 0.1114 | 8.10*** |
| βGARCH | 0.8488 | 57.36*** |
Spline Coefficients
K=8
| γ1 | 0.0091 | 0.18 |
| γ2 | -0.0592 | -0.78 |
| γ3 | 0.1598 | 3.11*** |
| γ4 | -0.2157 | -5.07*** |
| γ5 | 0.1198 | 2.93*** |
| γ6 | 0.0386 | 0.85 |
| γ7 | -0.0874 | -1.88* |
| γ8 | 0.0438 | 1.31 |
0.960
Persistence17d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1458 | 5.27*** |
α ARCH Response to squared shocks | 0.1114 | 8.10*** |
β GARCH Volatility persistence | 0.8488 | 57.36*** |
Spline Coefficients
K=8
| γ1 | 0.0091 | 0.18 |
| γ2 | -0.0592 | -0.78 |
| γ3 | 0.1598 | 3.11*** |
| γ4 | -0.2157 | -5.07*** |
| γ5 | 0.1198 | 2.93*** |
| γ6 | 0.0386 | 0.85 |
| γ7 | -0.0874 | -1.88* |
| γ8 | 0.0438 | 1.31 |
Persistence:
0.960
Half-life:
17 days
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