Skip to main content
V-Lab

Arqit Quantum Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, July 27th, 2026

1 Day

9,125.36

increased by 3,233.40

1 Week

6,917.70

increased by 1,025.74

1 Month

5,856.45

decreased by 35.51

Analysis last updated: Friday, July 24, 2026 at 09:30 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Arqit Quantum Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 4, 2021 to Jul 24, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 35 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

43.2569
2.91***
α

ARCH

Response to squared shocks

0.2046
9.75***
β

GARCH

Volatility persistence

0.7757
28.75***
γi Spline Coefficients
K=3
γ15.7359
6.37***
γ2-8.3360
-6.83***
γ34.3018
7.46***

Persistence:

0.980

Half-life:

35 days