V-Lab
Vanguard Ftse Canada IDX ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
8.83%
decreased by 0.30%
1 Week
9.11%
decreased by 0.02%
1 Month
9.98%
increased by 0.85%
Analysis last updated: Saturday, August 22, 2026 at 01:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 6, 2011 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 20 trading days, meaning a shock loses half its impact after approximately 20 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0211 | 15.25*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8705 | 265.57*** |
γ leverage Additional response to negative shocks | 0.1910 | 18.45*** |
Persistence:
0.966
Half-life:
20 days
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