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NSI NV Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

12,376.06

increased by 102.03

1 Week

11,814.40

decreased by 459.63

1 Month

10,101.46

decreased by 2,172.57

Analysis last updated: Sunday, September 20, 2026 at 12:46 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of NSI NV ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 3, 1998 to Sep 18, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 258 trading days (~1.0 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 0.997, shock half-life ~258 days
ParamValuet-stat
ωconst1.9255
2.98***
αARCH0.0537
9.78***
βGARCH0.9436
143.63***
γi Spline Coefficients
K=1
γ10.0023
0.94

0.997

Persistence

258d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9255
2.98***
α

ARCH

Response to squared shocks

0.0537
9.78***
β

GARCH

Volatility persistence

0.9436
143.63***
γi Spline Coefficients
K=1
γ10.0023
0.94

Persistence:

0.997

Half-life:

258 days