V-Lab
Chegg Inc MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
142.57%
1 Week
138.68%
1 Month
136.09%
Analysis last updated: Friday, August 21, 2026 at 10:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2013 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 199% 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 | 126 | |
α ARCH Response to squared shocks | 0.7510 | 16.92*** |
β GARCH Volatility persistence | 0.1541 | 8.39*** |
γ leverage Additional response to negative shocks | -0.5000 | -9.27*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0183 | 0.23 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0065 | 0.68 |
λ₃ tau persistence Long-term factor persistence | 0.9935 | 79.91*** |
Persistence:
0.655
Half-life:
2 days
Other MF2-GARCH Analyses on Equities