Skip to main content
V-Lab

Hartford Alpha Capture Value ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 28th, 2026

1 Day

10.63%

decreased by 0.26%

1 Week

10.93%

increased by 0.04%

1 Month

11.52%

increased by 0.63%

Analysis last updated: Tuesday, July 28, 2026 at 02:09 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Hartford Alpha Capture Value ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 16, 2023 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. Returns follow a Student-t distribution with v = 5.98 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

0.5761
6.75***
α

ARCH

Response to squared shocks

0.0593
4.67***
β

GARCH

Volatility persistence

0.8870
60.70***
ν

DF

Student-t tail thickness

5.9847
0.74

Persistence:

0.887

Half-life:

6 days