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V-Lab

Gabelli Opportunities in Live and Sports ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

14.55%

unchanged at 0.00%

1 Week

14.55%

unchanged at 0.00%

1 Month

14.55%

unchanged at 0.00%

Analysis last updated: Monday, July 20, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

All

graph of Gabelli Opportunities in Live and Sports ETF S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2026 to Jul 17, 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 12 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0038
2.88***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9441
9.58***
γi Spline Coefficients
K=1
γ1-0.2945
-0.14

Persistence:

0.944

Half-life:

12 days