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V-Lab

Roundhill Nasdaq-100 0DTE Covered Call ETF Strategy ETF GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, September 10th, 2026

1 Day

14.95%

decreased by 0.30%

1 Week

15.41%

increased by 0.16%

1 Month

16.45%

increased by 1.20%

Analysis last updated: Wednesday, September 9, 2026 at 09:09 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Roundhill Nasdaq-100 0DTE Covered Call ETF Strategy ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 6, 2024 to Sep 4, 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.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 8-day half-life
ParamValuet-stat
ωconst0.1055
2.27**
αARCH0.0000
0.00
βGARCH0.8362
17.37***
γleverage0.1576
1.86*

0.915

Persistence

8d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1055
2.27**
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8362
17.37***
γ

leverage

Additional response to negative shocks

0.1576
1.86*

Persistence:

0.915

Half-life:

8 days