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V-Lab

Lens Technology Co.,Ltd. GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

97.45%

decreased by 3.20%

1 Week

97.51%

decreased by 3.14%

1 Month

97.77%

decreased by 2.88%

Analysis last updated: Saturday, July 25, 2026 at 11:31 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Lens Technology Co.,Ltd. GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 18, 2015 to Jul 24, 2026
Boundary Parameters

Model Insight

With persistence 0.999, volatility shocks have a half-life of 693 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.88 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

62.5790
8.02***
α

ARCH

Response to squared shocks

0.0472
47.67***
β

GARCH

Volatility persistence

0.9990
8,686.96***
ν

DF

Student-t tail thickness

3.8789
28.08***

Persistence:

0.999

Half-life:

693 days