V-Lab
Granite Real Estate Investment Trust MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
20.12%
increased by 0.28%
1 Week
20.66%
increased by 0.82%
1 Month
21.71%
increased by 1.87%
Analysis last updated: Friday, October 2, 2026 at 09:05 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 20, 2003 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 56 | |
| αARCH | 0.1494 | 4.45*** |
| βGARCH | 0.6531 | 14.51*** |
| γleverage | 0.0845 | 1.78* |
| λ₁tau intercept | 0.0159 | 1.65* |
| λ₂forecast adj. | 0.0390 | 2.15** |
| λ₃tau persistence | 0.9535 | 43.91*** |
0.845
Persistence4d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 56 | |
α ARCH Response to squared shocks | 0.1494 | 4.45*** |
β GARCH Volatility persistence | 0.6531 | 14.51*** |
γ leverage Additional response to negative shocks | 0.0845 | 1.78* |
λ₁ tau intercept Baseline long-term coefficient | 0.0159 | 1.65* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0390 | 2.15** |
λ₃ tau persistence Long-term factor persistence | 0.9535 | 43.91*** |
Persistence:
0.845
Half-life:
4 days
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