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Procter & Gamble Co/The Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

6.85

decreased by 0.10

1 Week

7.12

increased by 0.17

1 Month

7.58

increased by 0.63

Analysis last updated: Friday, September 18, 2026 at 11:42 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Procter & Gamble Co/The ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 634 trading days (~2.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~634 days
ParamValuet-stat
ωconst1.0189
10.21***
αARCH0.0373
12.15***
βGARCH0.9616
313.83***
γi Spline Coefficients
K=1
γ1-0.0006
-0.61

0.999

Persistence

634d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0189
10.21***
α

ARCH

Response to squared shocks

0.0373
12.15***
β

GARCH

Volatility persistence

0.9616
313.83***
γi Spline Coefficients
K=1
γ1-0.0006
-0.61

Persistence:

0.999

Half-life:

634 days