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V-Lab

Smart Powerr Corp GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

646.51%

decreased by 10.78%

1 Week

633.12%

decreased by 24.17%

1 Month

586.21%

decreased by 71.08%

Analysis last updated: Saturday, July 25, 2026 at 09:20 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Smart Powerr Corp GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 4, 2001 to Jul 24, 2026
Extended Optimization

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days. Returns follow a Student-t distribution with v = 2.15 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

402.0643
7.67***
α

ARCH

Response to squared shocks

0.1492
97.73***
β

GARCH

Volatility persistence

0.9722
292.21***
ν

DF

Student-t tail thickness

2.1540
395.17***

Persistence:

0.972

Half-life:

25 days