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SPT Energy Group Inc Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Wednesday, October 7th, 2026

1 Day

789,448.90

decreased by 21,284.80

1 Week

830,257.28

increased by 19,523.58

1 Month

1,002,084.97

increased by 191,351.27

Analysis last updated: Wednesday, October 7, 2026 at 06:48 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SPT Energy Group Inc ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 27, 2011 to Oct 2, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000 ≥ 1, shocks do not decay
ParamValuet-stat
ωconst0.0000
0.00
αARCH0.0000
0.00
βGARCH0.9612
45.42***
γleverage0.0775
2.21**

1.000

Persistence

-

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9612
45.42***
γ

leverage

Additional response to negative shocks

0.0775
2.21**

Persistence:

1.000

Half-life:

-