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V-Lab

US Dollar to New Zealand Dollar GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

10.05%

increased by 0.96%

1 Week

12.62%

increased by 3.53%

1 Month

13.92%

increased by 4.83%

Analysis last updated: Tuesday, August 25, 2026 at 07:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of US Dollar to New Zealand Dollar GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 8.00 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

0.8150
0.01
α

ARCH

Response to squared shocks

0.4759
0.01
β

GARCH

Volatility persistence

0.5759
0.01
ν

DF

Student-t tail thickness

7.9955
0.00

Persistence:

0.576

Half-life:

1 days