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V-Lab

Nj Holdings Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

32.75%

decreased by 0.01%

1 Week

37.99%

increased by 5.23%

1 Month

50.94%

increased by 18.18%

Analysis last updated: Saturday, August 22, 2026 at 11:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Nj Holdings Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 21, 2006 to Aug 21, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 80% 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

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9319
20.14***
α

ARCH

Response to squared shocks

0.2591
18.87***
β

GARCH

Volatility persistence

0.7590
128.91***
γ

leverage

Additional response to negative shocks

-0.1148
-6.07***

Persistence:

0.961

Half-life:

17 days