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

Volatility prediction for Tuesday, September 8th, 2026

1 Day

1.11%

decreased by 0.04%

1 Week

1.12%

decreased by 0.03%

1 Month

1.16%

increased by 0.01%

Analysis last updated: Saturday, September 5, 2026 at 02:26 AM 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 Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days. Returns follow a Student-t distribution with v = 4.79 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 19-day half-lifev = 4.79 · fat tails
ParamValuet-stat
ωconst0.0065
0.73
αARCH0.0925
1.35
βGARCH0.9637
22.18***
νDF4.7852
0.65

0.964

Persistence

19d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0065
0.73
α

ARCH

Response to squared shocks

0.0925
1.35
β

GARCH

Volatility persistence

0.9637
22.18***
ν

DF

Student-t tail thickness

4.7852
0.65

Persistence:

0.964

Half-life:

19 days