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V-Lab

Defiance Daily Target 2X Short HOOD ETF Asy. MEM Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Tuesday, July 21st, 2026

1 Day

93.47%

decreased by 4.06%

1 Week

93.92%

decreased by 3.61%

1 Month

95.72%

decreased by 1.81%

Analysis last updated: Monday, July 20, 2026 at 09:42 PM UTC

Date Range:

from

to

6M ·

All

graph of Defiance Daily Target 2X Short HOOD ETF AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 13, 2025 to Jul 17, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1690
5.10***
α

ARCH

Response to squared shocks

0.1568
3.74***
β

GARCH

Volatility persistence

0.8546
41.17***
γ

leverage

Additional response to negative shocks

-0.0228
-0.46

Persistence:

1.000

Half-life:

1386294 days