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V-Lab
V-Lab

Travelzoo Inc EGARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

50.64%

increased by 0.36%

1 Week

51.96%

increased by 1.68%

1 Month

57.05%

increased by 6.77%

Analysis last updated: Friday, September 18, 2026 at 10:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Travelzoo Inc EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 29, 2002 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 35-day half-life
ParamValuet-stat
ωconst0.0711
2.75***
αARCH0.1093
5.26***
βGARCH0.9805
137.91***
γleverage0.0333
1.70*

0.981

Persistence

35d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0711
2.75***
α

ARCH

Response to squared shocks

0.1093
5.26***
β

GARCH

Volatility persistence

0.9805
137.91***
γ

leverage

Additional response to negative shocks

0.0333
1.70*

Persistence:

0.981

Half-life:

35 days