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SBA Communications Corp GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 2nd, 2026

1 Day

30.37%

decreased by 0.18%

1 Week

30.51%

decreased by 0.04%

1 Month

31.08%

increased by 0.53%

Analysis last updated: Thursday, October 1, 2026 at 10:56 PM UTC

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Date Range:

from

10/01/2024

to

10/01/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SBA Communications Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 16, 1999 to Sep 25, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 620 trading days (~2.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 178% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~620 daysLeverage: Negative returns increase volatility 178% more than positive returns
ParamValuet-stat
ωconst0.0216
3.62***
αARCH0.0286
3.87***
βGARCH0.9449
170.10***
γleverage0.0508
3.07***

0.999

Persistence

620d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0216
3.62***
α

ARCH

Response to squared shocks

0.0286
3.87***
β

GARCH

Volatility persistence

0.9449
170.10***
γ

leverage

Additional response to negative shocks

0.0508
3.07***

Persistence:

0.999

Half-life:

620 days