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SBA Communications Corp ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

77.13

decreased by 2.46

1 Week

81.43

increased by 1.84

1 Month

83.56

increased by 3.97

Analysis last updated: Friday, September 18, 2026 at 10:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SBA Communications Corp ILLIQ-MFMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 16, 1999 to Sep 18, 2026

Model Insight

Illiquidity shocks decay with a half-life of 55 trading days, meaning a shock loses half its impact after approximately 55 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.

μ

ILLIQ-MFMEM Model

Tap to view equation

Shock decay: Shocks decay with a 55-day half-life
ParamValuet-stat
mwindow81
αARCH0.0717
15.12***
βGARCH0.9236
204.84***
γleverage-0.0156
-1.37
λ₁tau intercept0.0768
2.95***
λ₂forecast adj.0.0032
0.66
λ₃tau persistence0.9950
192.65***

0.988

Persistence

55d

Half-life
μ

ILLIQ-MFMEM Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

81
α

ARCH

Response to squared shocks

0.0717
15.12***
β

GARCH

Volatility persistence

0.9236
204.84***
γ

leverage

Additional response to negative shocks

-0.0156
-1.37
λ₁

tau intercept

Baseline long-term coefficient

0.0768
2.95***
λ₂

forecast adj.

Forecast performance sensitivity

0.0032
0.66
λ₃

tau persistence

Long-term factor persistence

0.9950
192.65***

Persistence:

0.988

Half-life:

55 days