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V-Lab

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

Volatility prediction for Wednesday, August 19th, 2026

1 Day

13.44%

unchanged at 0.00%

1 Week

13.45%

increased by 0.01%

1 Month

13.45%

increased by 0.01%

Analysis last updated: Wednesday, August 19, 2026 at 02:22 AM UTC

Date Range:

from

to

6M ·

All

graph of Gabelli Opportunities in Live and Sports ETF SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2026 to Aug 14, 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

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9467
2.60***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9444
9.65***
γi Spline Coefficients
K=1
γ1-1.9581
-0.51

Persistence:

0.944

Half-life:

12 days