Skip to main content
V-Lab

Purpose Solana ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

55.98%

decreased by 0.87%

1 Week

58.20%

increased by 1.35%

1 Month

63.08%

increased by 6.23%

Analysis last updated: Wednesday, August 5, 2026 at 09:19 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Purpose Solana ETF S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 16, 2025 to Jul 31, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 8 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0603
6.46***
α

ARCH

Response to squared shocks

0.0882
1.58
β

GARCH

Volatility persistence

0.8245
7.45***
γi Spline Coefficients
K=1
γ10.0859
0.41

Persistence:

0.913

Half-life:

8 days