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Invesco MSCI Sustainable Future ETF Fund GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, September 30th, 2026

1 Day

17.69%

decreased by 0.17%

1 Week

17.86%

decreased by 0.00%

1 Month

18.47%

increased by 0.61%

Analysis last updated: Tuesday, September 29, 2026 at 09:42 PM UTC

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graph of Invesco MSCI Sustainable Future ETF Fund GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 24, 2006 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 67 trading days, meaning a shock loses half its impact after approximately 67 days. Returns follow a Student-t distribution with v = 9.71 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 67-day half-lifev = 9.71 · fat tails
ParamValuet-stat
ωconst2.4008
1.78*
αARCH0.0826
7.83***
βGARCH0.9897
162.59***
νDF9.7055
1.01

0.990

Persistence

67d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.4008
1.78*
α

ARCH

Response to squared shocks

0.0826
7.83***
β

GARCH

Volatility persistence

0.9897
162.59***
ν

DF

Student-t tail thickness

9.7055
1.01

Persistence:

0.990

Half-life:

67 days