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V-Lab

Defiance Space and Connective Tech ETF Asy. MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

39.76%

decreased by 4.35%

1 Week

38.81%

decreased by 5.30%

1 Month

35.70%

decreased by 8.41%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Defiance Space and Connective Tech ETF AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 5, 2019 to Jul 17, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 102% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0955
21.73***
α

ARCH

Response to squared shocks

0.1266
13.41***
β

GARCH

Volatility persistence

0.7688
130.43***
γ

leverage

Additional response to negative shocks

0.1297
8.26***

Persistence:

0.960

Half-life:

17 days