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V-Lab

Ishares Core Equity ETF PTF EGARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

12.16%

decreased by 1.84%

1 Week

12.31%

decreased by 1.69%

1 Month

12.83%

decreased by 1.17%

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 EGARCH

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

The leverage effect is captured by the negative gamma (gamma = -0.1534), confirming that negative shocks increase volatility more than positive shocks of equal magnitude.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

-0.0053
-0.60
α

ARCH

Response to squared shocks

0.0800
4.83***
β

GARCH

Volatility persistence

0.9654
187.17***
γ

leverage

Additional response to negative shocks

-0.1534
-17.18***

Persistence:

0.965

Half-life:

20 days