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V-Lab

Taiwan Semiconductor Mfg Co Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, September 3rd, 2026

1 Day

32.12%

increased by 0.62%

1 Week

32.63%

increased by 1.13%

1 Month

34.32%

increased by 2.82%

Analysis last updated: Thursday, September 3, 2026 at 08:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Taiwan Semiconductor Mfg Co SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 1995 to Aug 28, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 25 trading days.

τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3587
10.16***
α

ARCH

Response to squared shocks

0.0659
9.11***
β

GARCH

Volatility persistence

0.9067
90.37***
γi Spline Coefficients
K=2
γ1-0.0022
-1.32
γ20.0105
3.23***

Persistence:

0.973

Half-life:

25 days