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Marine Petroleum Trust Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, October 30th, 2026

1 Day

1,833,100.00

decreased by 286,864.00

1 Week

2,044,971.40

decreased by 74,992.60

1 Month

2,351,021.95

increased by 231,057.95

Analysis last updated: Thursday, October 29, 2026 at 10:20 PM UTC

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Date Range:

from

10/29/2024

to

10/29/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Marine Petroleum Trust ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 28, 1995 to Oct 23, 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 24 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst2.3899
4.11***
αARCH0.1207
10.45***
βGARCH0.8511
66.38***
∑γi Spline Coefficients
K=9
γ1-0.2347
-2.62***
γ20.3139
2.25**
γ30.0182
0.17
γ4-0.2280
-2.52**
γ50.2720
3.50***
γ6-0.1415
-1.63
γ7-0.3014
-3.28***
γ80.6923
9.13***
γ9-0.7937
-6.77***

0.972

Persistence

24d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.3899
4.11***
α

ARCH

Response to squared shocks

0.1207
10.45***
β

GARCH

Volatility persistence

0.8511
66.38***
∑γi Spline Coefficients
K=9
γ1-0.2347
-2.62***
γ20.3139
2.25**
γ30.0182
0.17
γ4-0.2280
-2.52**
γ50.2720
3.50***
γ6-0.1415
-1.63
γ7-0.3014
-3.28***
γ80.6923
9.13***
γ9-0.7937
-6.77***

Persistence:

0.972

Half-life:

24 days