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V-Lab

Invesco Galaxy Solana ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

56.77%

increased by 2.60%

1 Week

59.36%

increased by 5.19%

1 Month

64.90%

increased by 10.73%

Analysis last updated: Monday, July 20, 2026 at 09:22 PM UTC

Date Range:

from

to

6M ·

All

graph of Invesco Galaxy Solana ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2025 to Jul 17, 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 = 7.27 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

19.9417
3.86***
α

ARCH

Response to squared shocks

0.1108
3.31***
β

GARCH

Volatility persistence

0.9085
36.15***
ν

DF

Student-t tail thickness

7.2707
0.60

Persistence:

0.909

Half-life:

7 days