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James Hardie Industries PLC Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 29th, 2026

1 Day

291.86

decreased by 21.75

1 Week

285.62

decreased by 27.99

1 Month

289.82

decreased by 23.79

Analysis last updated: Tuesday, September 29, 2026 at 05:51 PM UTC

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Date Range:

from

09/28/2024

to

09/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of James Hardie Industries PLC 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 25, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 39 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.2673
4.34***
αARCH0.0800
9.14***
βGARCH0.9026
81.92***
∑γi Spline Coefficients
K=4
γ1-0.0624
-5.39***
γ20.0953
5.73***
γ3-0.0472
-5.53***
γ40.0330
3.94***

0.983

Persistence

39d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2673
4.34***
α

ARCH

Response to squared shocks

0.0800
9.14***
β

GARCH

Volatility persistence

0.9026
81.92***
∑γi Spline Coefficients
K=4
γ1-0.0624
-5.39***
γ20.0953
5.73***
γ3-0.0472
-5.53***
γ40.0330
3.94***

Persistence:

0.983

Half-life:

39 days