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Monolithic Power Systems Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

23.13

increased by 0.19

1 Week

24.47

increased by 1.53

1 Month

23.29

increased by 0.35

Analysis last updated: Friday, September 18, 2026 at 10:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Monolithic Power Systems Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 19, 2004 to Sep 18, 2026

Model Insight

With persistence 0.991, illiquidity shocks have a half-life of 73 trading days (~0.3 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 0.991, shock half-life ~73 days
ParamValuet-stat
ωconst1.0353
6.05***
αARCH0.0909
12.34***
βGARCH0.8997
114.80***
γi Spline Coefficients
K=4
γ1-0.0155
-0.74
γ2-0.0041
-0.12
γ30.0253
0.92
γ4-0.0190
-0.58

0.991

Persistence

73d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0353
6.05***
α

ARCH

Response to squared shocks

0.0909
12.34***
β

GARCH

Volatility persistence

0.8997
114.80***
γi Spline Coefficients
K=4
γ1-0.0155
-0.74
γ2-0.0041
-0.12
γ30.0253
0.92
γ4-0.0190
-0.58

Persistence:

0.991

Half-life:

73 days