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Simon Property Group Inc GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 2nd, 2026

1 Day

16.86%

decreased by 0.55%

1 Week

17.30%

decreased by 0.11%

1 Month

18.77%

increased by 1.36%

Analysis last updated: Thursday, October 1, 2026 at 11:16 PM UTC

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Date Range:

from

10/01/2024

to

10/01/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Simon Property Group Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 14, 1993 to Sep 25, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 115% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 115% more than positive returns
ParamValuet-stat
ωconst0.0488
6.28***
αARCH0.0544
5.25***
βGARCH0.8974
106.99***
γleverage0.0628
2.43**

0.983

Persistence

41d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0488
6.28***
α

ARCH

Response to squared shocks

0.0544
5.25***
β

GARCH

Volatility persistence

0.8974
106.99***
γ

leverage

Additional response to negative shocks

0.0628
2.43**

Persistence:

0.983

Half-life:

41 days