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Xspray Pharma Ab Spline ILLIQ Liquidity Analysis

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

Illiquidity prediction for Wednesday, August 5th, 2026

1 Day

28,970.30

increased by 1,246.46

1 Week

26,857.84

decreased by 866.00

1 Month

19,908.52

decreased by 7,815.32

Analysis last updated: Wednesday, August 5, 2026 at 08:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Xspray Pharma Ab ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Sep 28, 2017 to Jul 31, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 173286 trading days (~687.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8370
5.32***
α

ARCH

Response to squared shocks

0.1217
0.04
β

GARCH

Volatility persistence

0.8783
0.25
γi Spline Coefficients
K=1
γ1-0.2043
-0.03

Persistence:

1.000

Half-life:

173286 days