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V-Lab

NiSource Inc Asy. MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

21.53%

increased by 0.98%

1 Week

21.59%

increased by 1.04%

1 Month

21.80%

increased by 1.25%

Analysis last updated: Monday, July 20, 2026 at 09:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of NiSource Inc AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 17, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 41% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0378
27.24***
α

ARCH

Response to squared shocks

0.1276
38.66***
β

GARCH

Volatility persistence

0.8282
329.85***
γ

leverage

Additional response to negative shocks

0.0528
8.15***

Persistence:

0.982

Half-life:

39 days