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V-Lab

iShares China Large-Cap ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

18.38%

decreased by 0.40%

1 Week

18.72%

decreased by 0.06%

1 Month

19.92%

increased by 1.14%

Analysis last updated: Friday, August 7, 2026 at 10:23 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares China Large-Cap ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 8, 2004 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 59 trading days, meaning a shock loses half its impact after approximately 59 days. Returns follow a Student-t distribution with v = 7.54 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.5030
6.55***
α

ARCH

Response to squared shocks

0.0699
30.45***
β

GARCH

Volatility persistence

0.9884
515.58***
ν

DF

Student-t tail thickness

7.5389
4.72***

Persistence:

0.988

Half-life:

59 days