Skip to main content
V-Lab

iShares China Large-Cap ETF AGARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

21.38%

increased by 0.61%

1 Week

21.73%

increased by 0.96%

1 Month

22.97%

increased by 2.20%

Analysis last updated: Monday, July 20, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares China Large-Cap ETF AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 8, 2004 to Jul 17, 2026

Model Insight

The news-impact curve is shifted (γ = 0.37) 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

0.0474
13.01***
α

ARCH

Response to squared shocks

0.0836
26.52***
β

GARCH

Volatility persistence

0.9009
263.42***
γ

leverage

Additional response to negative shocks

0.3734
10.23***

Persistence:

0.984

Half-life:

44 days