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US Dollar to Chinese Renminbi GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

23.95%

decreased by 0.85%

1 Week

24.02%

decreased by 0.78%

1 Month

24.29%

decreased by 0.51%

Analysis last updated: Tuesday, August 18, 2026 at 07:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of US Dollar to Chinese Renminbi GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 14, 2005 to Aug 14, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

7.3419
13.29***
α

ARCH

Response to squared shocks

0.0413
132.68***
β

GARCH

Volatility persistence

0.9987
9,695.88***
ν

DF

Student-t tail thickness

2.0006

Persistence:

0.999

Half-life:

523 days