Skip to main content
V-Lab

Sfd Sa Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Friday, July 24th, 2026

1 Day

1,115,768.00

decreased by 21,272.00

1 Week

1,143,023.80

increased by 5,983.80

1 Month

991,952.90

decreased by 145,087.10

Analysis last updated: Friday, July 24, 2026 at 08:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sfd Sa ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 21, 2014 to Jul 17, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.00
α

ARCH

Response to squared shocks

0.0374
3.27***
β

GARCH

Volatility persistence

0.9813
1,512.00***
γ

leverage

Additional response to negative shocks

-0.0374
-2.53**

Persistence:

1.000

Half-life:

-