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V-Lab

Polish Zloty GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

7.16%

increased by 2.48%

1 Week

8.94%

increased by 4.26%

1 Month

11.69%

increased by 7.01%

Analysis last updated: Thursday, October 22, 2026 at 08:06 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Polish Zloty GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 1, 1993 to Oct 16, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. 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

Shock decay: Shocks decay with a 6-day half-lifev = 8.00 · fat tails
ParamValuet-stat
ωlong-run0.8107
0.00
αscore0.6475
0.01
βpersistence0.8824
0.03
νDF7.9990
0.00

0.882

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

0.8107
0.00
α

score

Weight on the scaled score

0.6475
0.01
β

persistence

Volatility persistence

0.8824
0.03
ν

DF

Student-t tail thickness

7.9990
0.00

Persistence:

0.882

Half-life:

6 days