V-Lab
Travelzoo Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
81.57%
decreased by 2.20%
1 Week
81.11%
decreased by 2.66%
1 Month
79.65%
decreased by 4.12%
Analysis last updated: Friday, August 7, 2026 at 10:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 29, 2002 to Aug 7, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 141% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7794 | 14.64*** |
α ARCH Response to squared shocks | 0.0971 | 14.66*** |
β GARCH Volatility persistence | 0.8961 | 202.32*** |
γ leverage Additional response to negative shocks | -0.0568 | -7.75*** |
Persistence:
0.965
Half-life:
19 days
Other Travelzoo Inc Analyses
Other GJR-GARCH Analyses on Equities