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V-Lab

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

Volatility prediction for Wednesday, August 12th, 2026

1 Day

1.35%

decreased by 0.07%

1 Week

1.35%

decreased by 0.07%

1 Month

1.34%

decreased by 0.08%

Analysis last updated: Tuesday, August 11, 2026 at 10:14 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 Aug 7, 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 = 4.64 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
3.48***
α

ARCH

Response to squared shocks

0.0798
5.32***
β

GARCH

Volatility persistence

0.9728
142.92***
ν

DF

Student-t tail thickness

4.6366
3.42***

Persistence:

0.973

Half-life:

25 days