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V-Lab

Defiance BMNR Option Income ETF Zero Slope Spline-GARCH Volatility Analysis

Inactive

Last recorded values (Friday, August 21st, 2026):

1 Day

50.18%

1 Week

55.13%

1 Month

56.91%

Analysis last updated: Friday, August 21, 2026 at 02:19 AM UTC

Date Range:

from

to

6M ·

All

graph of Defiance BMNR Option Income ETF S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 25, 2025 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 1 trading day.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4657
6.48***
α

ARCH

Response to squared shocks

0.1851
1.81*
β

GARCH

Volatility persistence

0.2253
0.75
γi Spline Coefficients
K=1
γ11.9801
2.92***

Persistence:

0.410

Half-life:

1 days