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V-Lab
V-Lab

Purpose Solana ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

55.26%

decreased by 1.08%

1 Week

57.80%

increased by 1.46%

1 Month

63.04%

increased by 6.70%

Analysis last updated: Thursday, October 29, 2026 at 09:06 AM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

All

graph of Purpose Solana ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 16, 2025 to Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. Returns follow a Student-t distribution with v = 15.44 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 7-day half-lifev = 15.44 · fat tails
ParamValuet-stat
ωlong-run19.0492
3.64***
αscore0.0837
1.21
βpersistence0.9018
11.76***
νDF15.4386
0.11

0.902

Persistence

7d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

19.0492
3.64***
α

score

Weight on the scaled score

0.0837
1.21
β

persistence

Volatility persistence

0.9018
11.76***
ν

DF

Student-t tail thickness

15.4386
0.11

Persistence:

0.902

Half-life:

7 days