Skip to main content
V-Lab

CoastalSouth Bancshares Inc Asy. Power MEM Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

15.97%

decreased by 0.01%

1 Week

15.94%

decreased by 0.04%

1 Month

15.84%

decreased by 0.14%

Analysis last updated: Friday, July 17, 2026 at 10:46 PM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of CoastalSouth Bancshares Inc APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 2, 2025 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 37 trading days, meaning a shock loses half its impact after approximately 37 days. The volatility power δ = 2.37 sits above 2, so large shocks influence volatility more than quadratically, dominating the response more than in standard GARCH.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0168
5.20***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9812
125.93***
γ

leverage

Additional response to negative shocks

0.5088
0.00
δ

power

Transformation power

2.3692
18.85***

Persistence:

0.981

Half-life:

37 days