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V-Lab

Ishares Core Equity ETF PTF GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

18.90%

increased by 5.01%

1 Week

18.40%

increased by 4.51%

1 Month

16.94%

increased by 3.05%

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 GARCH

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

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0406
15.44***
α

ARCH

Response to squared shocks

0.1031
7.33***
β

GARCH

Volatility persistence

0.8410
65.54***

Persistence:

0.944

Half-life:

12 days