Skip to main content
V-Lab

Obayashi Corp Asy. MEM Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

53.39%

increased by 21.08%

1 Week

53.29%

increased by 20.98%

1 Month

52.94%

increased by 20.63%

Analysis last updated: Saturday, August 8, 2026 at 11:06 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Obayashi Corp AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 30, 1990 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 68 trading days, meaning a shock loses half its impact after approximately 68 days.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0941
31.34***
α

ARCH

Response to squared shocks

0.2087
42.57***
β

GARCH

Volatility persistence

0.7731
281.12***
γ

leverage

Additional response to negative shocks

0.0163
2.07**

Persistence:

0.990

Half-life:

68 days