Societe BIC SA Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 29th, 2026
1 Day
4,180.02
increased by 266.37
1 Week
3,893.99
decreased by 19.66
1 Month
3,460.84
decreased by 452.81
Analysis last updated: Thursday, October 29, 2026 at 09:31 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 28, 1991 to Oct 23, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 466 trading days (~1.8 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 0.999, shock half-life ~466 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2017 | 5.90*** |
| αARCH | 0.0568 | 8.75*** |
| βGARCH | 0.9417 | 127.65*** |
Spline Coefficients
K=1
| γ1 | -0.0033 | -1.12 |
0.999
Persistence466d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2017 | 5.90*** |
α ARCH Response to squared shocks | 0.0568 | 8.75*** |
β GARCH Volatility persistence | 0.9417 | 127.65*** |
Spline Coefficients
K=1
| γ1 | -0.0033 | -1.12 |
Persistence:
0.999
Half-life:
466 days
Other Societe BIC SA Analyses
Other Spline ILLIQ Analyses on International Equities