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PermRock Royalty Trust Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, October 30th, 2026

1 Day

445,721.90

decreased by 66,031.30

1 Week

428,245.42

decreased by 83,507.78

1 Month

266,351.25

decreased by 245,401.95

Analysis last updated: Thursday, October 29, 2026 at 10:39 PM UTC

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Date Range:

from

10/29/2024

to

10/29/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of PermRock Royalty Trust ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 2, 2018 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 54 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.0550
7.84***
αARCH0.1212
8.55***
βGARCH0.8661
57.34***
∑γi Spline Coefficients
K=1
γ1-0.0108
-0.69

0.987

Persistence

54d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0550
7.84***
α

ARCH

Response to squared shocks

0.1212
8.55***
β

GARCH

Volatility persistence

0.8661
57.34***
∑γi Spline Coefficients
K=1
γ1-0.0108
-0.69

Persistence:

0.987

Half-life:

54 days