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Straits Times Index STI MF2-GARCH Volatility Analysis

Volatility prediction for Friday, November 6th, 2026

1 Day

12.46%

decreased by 0.64%

1 Week

12.57%

decreased by 0.53%

1 Month

12.98%

decreased by 0.12%

Analysis last updated: Thursday, November 5, 2026 at 10:11 AM UTC

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Date Range:

from

11/05/2024

to

11/05/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Straits Times Index STI MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Oct 30, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 257% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 257% more than positive returns
ParamValuet-stat
mwindow21
αARCH0.0569
4.85***
βGARCH0.7749
37.13***
γleverage0.1463
6.48***
λ₁tau intercept0.0028
2.31**
λ₂forecast adj.0.0256
4.63***
λ₃tau persistence0.9718
159.15***

0.905

Persistence

7d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0569
4.85***
β

GARCH

Volatility persistence

0.7749
37.13***
γ

leverage

Additional response to negative shocks

0.1463
6.48***
λ₁

tau intercept

Baseline long-term coefficient

0.0028
2.31**
λ₂

forecast adj.

Forecast performance sensitivity

0.0256
4.63***
λ₃

tau persistence

Long-term factor persistence

0.9718
159.15***

Persistence:

0.905

Half-life:

7 days