Skip to main content
V-Lab

SLW Short Duration Income ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

1.74%

decreased by 0.16%

1 Week

1.72%

decreased by 0.18%

1 Month

1.65%

decreased by 0.25%

Analysis last updated: Monday, July 20, 2026 at 09:49 PM UTC

Date Range:

from

to

6M ·

All

graph of SLW Short Duration Income ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 5, 2025 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days. Returns follow a Student-t distribution with v = 5.00 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

0.0069
3.30***
α

ARCH

Response to squared shocks

0.0892
4.52***
β

GARCH

Volatility persistence

0.9723
153.17***
ν

DF

Student-t tail thickness

5.0016
2.63***

Persistence:

0.972

Half-life:

25 days