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V-Lab

Invesco Galaxy Solana ETF Asy. Power MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

55.35%

decreased by 3.18%

1 Week

58.13%

decreased by 0.40%

1 Month

64.54%

increased by 6.01%

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

Date Range:

from

to

6M ·

All

graph of Invesco Galaxy Solana ETF APMEM

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 8 trading days, meaning a shock loses half its impact after approximately 8 days. The volatility power δ = 1.65 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0000
1.58
α

ARCH

Response to squared shocks

0.0870
0.01
β

GARCH

Volatility persistence

0.7965
28.78***
γ

leverage

Additional response to negative shocks

1.0000
0.01
δ

power

Transformation power

1.6545
5.99***

Persistence:

0.919

Half-life:

8 days