V-Lab
iShares MSCI Switzerland Capped ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
14.38%
decreased by 0.31%
1 Week
14.54%
decreased by 0.15%
1 Month
15.13%
increased by 0.44%
Analysis last updated: Monday, July 27, 2026 at 09:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 2, 1996 to Jul 24, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 144 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 8.48 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.7199 | 6.08*** |
α ARCH Response to squared shocks | 0.0795 | 48.98*** |
β GARCH Volatility persistence | 0.9952 | 1,261.34*** |
ν DF Student-t tail thickness | 8.4780 | 7.67*** |
Persistence:
0.995
Half-life:
144 days
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