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V-Lab
V-Lab

Defiance Daily Target 2X Short HOOD ETF APARCH Volatility Analysis

Inactive

Last recorded values (Friday, August 28th, 2026):

1 Day

146.36%

1 Week

147.99%

1 Month

149.31%

Analysis last updated: Wednesday, September 2, 2026 at 07:01 PM UTC

Date Range:

from

to

6M ·

All

graph of Defiance Daily Target 2X Short HOOD ETF APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 13, 2025 to Aug 27, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days. The volatility power δ = 0.50 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

σ

APARCH Model

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Shock decay: Shocks decay with a 2-day half-lifeδ = 0.50 · sub-quadratic power
ParamValuet-stat
ωconst1.0000
0.54
αARCH0.0688
0.75
βGARCH0.6190
1.30
γleverage-0.3905
-0.41
δpower0.5000
0.64

0.674

Persistence

2d

Half-life
σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0000
0.54
α

ARCH

Response to squared shocks

0.0688
0.75
β

GARCH

Volatility persistence

0.6190
1.30
γ

leverage

Additional response to negative shocks

-0.3905
-0.41
δ

power

Transformation power

0.5000
0.64

Persistence:

0.674

Half-life:

2 days