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V-Lab

Vaneck Emerging Market B ETF APARCH Volatility Analysis

Volatility prediction for Tuesday, August 11th, 2026

1 Day

4.54%

increased by 0.25%

1 Week

4.70%

increased by 0.41%

1 Month

5.18%

increased by 0.89%

Analysis last updated: Monday, August 10, 2026 at 09:39 PM UTC

Date Range:

from

to

6M ·

All

graph of Vaneck Emerging Market B ETF APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 6, 2025 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 28 trading days, meaning a shock loses half its impact after approximately 28 days. The volatility power δ = 3.00 sits above 2, so large shocks influence volatility more than quadratically, dominating the response more than in standard GARCH.

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0019
1.62
α

ARCH

Response to squared shocks

0.0318
0.95
β

GARCH

Volatility persistence

0.8601
42.24***
γ

leverage

Additional response to negative shocks

0.6523
1.41
δ

power

Transformation power

3.0000
5.64***

Persistence:

0.976

Half-life:

28 days