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V-Lab

Sequoia Global Value ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

12.86%

increased by 0.91%

1 Week

12.67%

increased by 0.72%

1 Month

12.53%

increased by 0.58%

Analysis last updated: Saturday, July 25, 2026 at 02:28 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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graph of Sequoia Global Value ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 2024 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 6.56 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

0.6185
16.34***
α

ARCH

Response to squared shocks

0.1213
4.83***
β

GARCH

Volatility persistence

0.6290
18.81***
ν

DF

Student-t tail thickness

6.5626
1.00

Persistence:

0.629

Half-life:

1 days