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Kelly Services Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

31.67%

increased by 4.51%

1 Week

31.99%

increased by 4.83%

1 Month

33.09%

increased by 5.93%

Analysis last updated: Friday, October 2, 2026 at 10:44 PM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Kelly Services Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days. Returns follow a Student-t distribution with v = 4.30 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 34-day half-lifev = 4.30 · fat tails
ParamValuet-stat
ωconst6.0212
1.34
αARCH0.0678
5.91***
βGARCH0.9797
64.52***
νDF4.3017
2.28**

0.980

Persistence

34d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.0212
1.34
α

ARCH

Response to squared shocks

0.0678
5.91***
β

GARCH

Volatility persistence

0.9797
64.52***
ν

DF

Student-t tail thickness

4.3017
2.28**

Persistence:

0.980

Half-life:

34 days