Travelzoo Inc AGARCH Volatility Analysis
Volatility prediction for Monday, October 12th, 2026
1 Day
50.25%
decreased by 1.56%
1 Week
55.49%
increased by 3.68%
1 Month
66.72%
increased by 14.91%
Analysis last updated: Saturday, October 10, 2026 at 12:58 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 29, 2002 to Oct 9, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 9-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.8642 | 6.52*** |
| αARCH | 0.1570 | 7.86*** |
| βGARCH | 0.7658 | 47.46*** |
| γleverage | -0.7847 | -1.13 |
0.923
Persistence9d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.8642 | 6.52*** |
α ARCH Response to squared shocks | 0.1570 | 7.86*** |
β GARCH Volatility persistence | 0.7658 | 47.46*** |
γ leverage Additional response to negative shocks | -0.7847 | -1.13 |
Persistence:
0.923
Half-life:
9 days
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