V-Lab
BXP Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
167.21
decreased by 8.06
1 Week
184.03
increased by 8.76
1 Month
192.27
increased by 17.00
Analysis last updated: Friday, September 18, 2026 at 11:14 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 18, 1997 to Sep 18, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 802 trading days (~3.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 59% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.999, shock half-life ~802 daysAsymmetry: Illiquidity rises 59% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6614 | 2.33** |
| αARCH | 0.0521 | 6.66*** |
| βGARCH | 0.9317 | 205.23*** |
| γleverage | 0.0306 | 2.21** |
0.999
Persistence802d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6614 | 2.33** |
α ARCH Response to squared shocks | 0.0521 | 6.66*** |
β GARCH Volatility persistence | 0.9317 | 205.23*** |
γ leverage Additional response to negative shocks | 0.0306 | 2.21** |
Persistence:
0.999
Half-life:
802 days
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