V-Lab
S&P/TSX 60 Index GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
11.92%
decreased by 0.41%
1 Week
12.02%
decreased by 0.31%
1 Month
12.40%
increased by 0.07%
Analysis last updated: Saturday, August 8, 2026 at 08:56 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 66 trading days, meaning a shock loses half its impact after approximately 66 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0109 | 21.55*** |
α ARCH Response to squared shocks | 0.0917 | 39.63*** |
β GARCH Volatility persistence | 0.8979 | 377.28*** |
Persistence:
0.990
Half-life:
66 days
Other GARCH Analyses on Equity Indices