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Sabine Royalty Trust Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, October 30th, 2026

1 Day

4,990.97

decreased by 76.49

1 Week

4,842.88

decreased by 224.58

1 Month

4,514.82

decreased by 552.64

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 ·

10Y ·

All

graph of Sabine Royalty Trust ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 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 57 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.5940
6.33***
αARCH0.0588
11.03***
βGARCH0.9292
142.18***
∑γi Spline Coefficients
K=6
γ1-0.0528
-2.45**
γ20.0490
1.51
γ30.0165
0.88
γ40.0092
0.65
γ5-0.0562
-4.07***
γ60.0563
3.34***

0.988

Persistence

57d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5940
6.33***
α

ARCH

Response to squared shocks

0.0588
11.03***
β

GARCH

Volatility persistence

0.9292
142.18***
∑γi Spline Coefficients
K=6
γ1-0.0528
-2.45**
γ20.0490
1.51
γ30.0165
0.88
γ40.0092
0.65
γ5-0.0562
-4.07***
γ60.0563
3.34***

Persistence:

0.988

Half-life:

57 days