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V-Lab

Ishares Core Equity ETF PTF Asy. MEM Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

12.87%

decreased by 0.03%

1 Week

13.14%

increased by 0.24%

1 Month

13.80%

increased by 0.90%

Analysis last updated: Wednesday, August 5, 2026 at 09:20 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Ishares Core Equity ETF PTF AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 13, 2019 to Jul 31, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 158% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0626
15.53***
α

ARCH

Response to squared shocks

0.1440
11.95***
β

GARCH

Volatility persistence

0.6694
68.60***
γ

leverage

Additional response to negative shocks

0.2281
8.41***

Persistence:

0.927

Half-life:

9 days