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V-Lab

PowerBank Corp MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 12th, 2026

1 Day

84.19%

decreased by 7.80%

1 Week

93.38%

increased by 1.39%

1 Month

109.87%

increased by 17.88%

Analysis last updated: Tuesday, August 11, 2026 at 10:06 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of PowerBank Corp MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 8, 2024 to Aug 7, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 399% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

71
α

ARCH

Response to squared shocks

0.4457
27.02***
β

GARCH

Volatility persistence

0.6213
56.12***
γ

leverage

Additional response to negative shocks

-0.3563
-21.95***
λ₁

tau intercept

Baseline long-term coefficient

10.0000
0.41
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.8351
1.90*

Persistence:

0.889

Half-life:

6 days