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Merck & Co Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 1st, 2026

1 Day

10.26

decreased by 0.35

1 Week

10.46

decreased by 0.15

1 Month

10.34

decreased by 0.27

Analysis last updated: Tuesday, September 1, 2026 at 09:51 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Merck & Co Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Aug 28, 2026

Model Insight

With persistence 0.998, illiquidity shocks have a half-life of 407 trading days (~1.6 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

1.0572
11.48***
α

ARCH

Response to squared shocks

0.0421
12.54***
β

GARCH

Volatility persistence

0.9562
280.83***
γi Spline Coefficients
K=1
γ1-0.0019
-2.21**

Persistence:

0.998

Half-life:

407 days