Skip to main content
V-Lab

CRA International Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

53.44%

increased by 3.52%

1 Week

53.20%

increased by 3.28%

1 Month

52.32%

increased by 2.40%

Analysis last updated: Friday, August 7, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CRA International Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 24, 1998 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days. Returns follow a Student-t distribution with v = 3.43 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

8.2304
4.02***
α

ARCH

Response to squared shocks

0.0559
25.21***
β

GARCH

Volatility persistence

0.9832
249.54***
ν

DF

Student-t tail thickness

3.4346
12.45***

Persistence:

0.983

Half-life:

41 days