V-Lab
MSCI Chile Spline-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
19.09%
decreased by 0.72%
1 Week
19.25%
decreased by 0.56%
1 Month
19.75%
decreased by 0.06%
Analysis last updated: Friday, September 4, 2026 at 11:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Aug 27, 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 18 trading days.
τ
Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1336 | 5.38*** |
| αARCH | 0.1263 | 12.20*** |
| βGARCH | 0.8357 | 73.59*** |
Spline Coefficients
K=6
| γ1 | 0.0155 | 1.06 |
| γ2 | -0.0236 | -1.13 |
| γ3 | 0.0195 | 1.51 |
| γ4 | -0.0277 | -2.54** |
| γ5 | 0.0599 | 4.73*** |
| γ6 | -0.1166 | -4.82*** |
0.962
Persistence18d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1336 | 5.38*** |
α ARCH Response to squared shocks | 0.1263 | 12.20*** |
β GARCH Volatility persistence | 0.8357 | 73.59*** |
Spline Coefficients
K=6
| γ1 | 0.0155 | 1.06 |
| γ2 | -0.0236 | -1.13 |
| γ3 | 0.0195 | 1.51 |
| γ4 | -0.0277 | -2.54** |
| γ5 | 0.0599 | 4.73*** |
| γ6 | -0.1166 | -4.82*** |
Persistence:
0.962
Half-life:
18 days
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