V-Lab
Wawel Sa MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
16.54%
decreased by 0.14%
1 Week
19.15%
increased by 2.47%
1 Month
21.17%
increased by 4.49%
Analysis last updated: Sunday, August 23, 2026 at 01:57 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 30, 1998 to Aug 21, 2026Stationarity Enforced
Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 13% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.2317 | 25.92*** |
β GARCH Volatility persistence | 0.4830 | 36.75*** |
γ leverage Additional response to negative shocks | 0.0291 | 2.33** |
λ₁ tau intercept Baseline long-term coefficient | 0.0148 | 2.86*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0214 | 4.95*** |
λ₃ tau persistence Long-term factor persistence | 0.9748 | 183.64*** |
Persistence:
0.729
Half-life:
2 days
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