V-Lab
S&P/TSX Composite Index EGARCH Volatility Analysis
Volatility prediction for Thursday, September 3rd, 2026
1 Day
13.30%
decreased by 0.39%
1 Week
13.35%
decreased by 0.34%
1 Month
13.55%
decreased by 0.14%
Analysis last updated: Wednesday, September 2, 2026 at 09:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Aug 28, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 189% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.0032 | -0.77 |
α ARCH Response to squared shocks | 0.1724 | 10.87*** |
β GARCH Volatility persistence | 0.9788 | 293.40*** |
γ leverage Additional response to negative shocks | -0.0836 | -6.99*** |
Persistence:
0.979
Half-life:
32 days
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