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Solid Power Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, November 16th, 2026

1 Day

6,138.03

increased by 734.95

1 Week

4,965.76

decreased by 437.32

1 Month

4,633.11

decreased by 769.97

Analysis last updated: Friday, November 13, 2026 at 11:26 PM UTC

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Date Range:

from

11/13/2024

to

11/13/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Solid Power Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Mar 24, 2021 to Nov 13, 2026

Model Insight

With persistence 0.996, illiquidity shocks have a half-life of 179 trading days (~0.7 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 0.996, shock half-life ~179 days
ParamValuet-stat
ωconst0.7629
3.53***
αARCH0.2482
15.00***
βGARCH0.7479
42.99***
∑γi Spline Coefficients
K=1
γ1-0.3025
-2.90***

0.996

Persistence

179d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7629
3.53***
α

ARCH

Response to squared shocks

0.2482
15.00***
β

GARCH

Volatility persistence

0.7479
42.99***
∑γi Spline Coefficients
K=1
γ1-0.3025
-2.90***

Persistence:

0.996

Half-life:

179 days