Skip to main content
V-Lab
V-Lab

Philippines Stock Exchange PSEi Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, September 18th, 2026

1 Day

17.20%

decreased by 0.62%

1 Week

17.42%

decreased by 0.40%

1 Month

18.07%

increased by 0.25%

Analysis last updated: Friday, September 18, 2026 at 09:55 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Philippines Stock Exchange PSEi Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 10, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 157% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 157% more than positive returns
ParamValuet-stat
mwindow51
αARCH0.0552
2.82***
βGARCH0.8511
28.16***
γleverage0.0869
4.50***
λ₁tau intercept0.0023
0.65
λ₂forecast adj.0.0059
1.46
λ₃tau persistence0.9927
164.60***

0.950

Persistence

13d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

51
α

ARCH

Response to squared shocks

0.0552
2.82***
β

GARCH

Volatility persistence

0.8511
28.16***
γ

leverage

Additional response to negative shocks

0.0869
4.50***
λ₁

tau intercept

Baseline long-term coefficient

0.0023
0.65
λ₂

forecast adj.

Forecast performance sensitivity

0.0059
1.46
λ₃

tau persistence

Long-term factor persistence

0.9927
164.60***

Persistence:

0.950

Half-life:

13 days