V-Lab
T-Bull SA MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
192.65%
1 Week
207.77%
1 Month
210.26%
Analysis last updated: Saturday, August 22, 2026 at 08:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 6, 2020 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 175% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 26 | |
α ARCH Response to squared shocks | 0.4337 | 16.96*** |
β GARCH Volatility persistence | 0.1891 | 4.84*** |
γ leverage Additional response to negative shocks | -0.2759 | -5.69*** |
λ₁ tau intercept Baseline long-term coefficient | 1.8378 | 0.61 |
λ₂ forecast adj. Forecast performance sensitivity | 0.3267 | 0.98 |
λ₃ tau persistence Long-term factor persistence | 0.6733 | 1.98** |
Persistence:
0.485
Half-life:
1 days
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