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Vistra Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 14th, 2026

1 Day

27.12

decreased by 0.82

1 Week

27.47

decreased by 0.47

1 Month

31.31

increased by 3.37

Analysis last updated: Saturday, September 12, 2026 at 12:39 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Vistra Corp ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 4, 2016 to Sep 11, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 4560 trading days (~18.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~4560 days
ParamValuet-stat
ωconst2.4831
2.88***
αARCH0.1098
8.61***
βGARCH0.8900
68.52***
γi Spline Coefficients
K=1
γ1-0.0101
-0.14

1.000

Persistence

4560d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.4831
2.88***
α

ARCH

Response to squared shocks

0.1098
8.61***
β

GARCH

Volatility persistence

0.8900
68.52***
γi Spline Coefficients
K=1
γ1-0.0101
-0.14

Persistence:

1.000

Half-life:

4560 days