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US Dollar to Taiwanese Dollar GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

28.03%

decreased by 2.12%

1 Week

28.09%

decreased by 2.06%

1 Month

28.33%

decreased by 1.82%

Analysis last updated: Sunday, July 26, 2026 at 03:09 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of US Dollar to Taiwanese Dollar GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 30, 1990 to Jul 24, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.01 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

7.4595
12.08***
α

ARCH

Response to squared shocks

0.0550
161.63***
β

GARCH

Volatility persistence

0.9985
8,390.45***
ν

DF

Student-t tail thickness

2.0090

Persistence:

0.998

Half-life:

451 days