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V-Lab

Defiance OIL Enhanced OP ETF Asy. Power MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

35.27%

decreased by 3.38%

1 Week

35.16%

decreased by 3.49%

1 Month

34.80%

decreased by 3.85%

Analysis last updated: Monday, July 20, 2026 at 09:31 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Defiance OIL Enhanced OP ETF APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 10, 2024 to Jul 17, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 57% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1333
6.71***
α

ARCH

Response to squared shocks

0.2581
15.45***
β

GARCH

Volatility persistence

0.7118
35.71***
γ

leverage

Additional response to negative shocks

-0.1141
-3.28***
δ

power

Transformation power

1.9554
11.55***

Persistence:

0.969

Half-life:

22 days