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V-Lab

Vaneck Emerging Market B ETF AGARCH Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

5.41%

increased by 0.76%

1 Week

5.54%

increased by 0.89%

1 Month

5.89%

increased by 1.24%

Analysis last updated: Wednesday, August 19, 2026 at 02:21 AM UTC

Date Range:

from

to

6M ·

All

graph of Vaneck Emerging Market B ETF AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 6, 2025 to Aug 14, 2026

Model Insight

The news-impact curve is shifted (γ = 0.30) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0994
7.56***
β

GARCH

Volatility persistence

0.8499
38.76***
γ

leverage

Additional response to negative shocks

0.2978
11.63***

Persistence:

0.949

Half-life:

13 days