V-Lab
BXP Inc GJR-GARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
25.98%
increased by 0.20%
1 Week
26.08%
increased by 0.30%
1 Month
26.48%
increased by 0.70%
Analysis last updated: Thursday, October 1, 2026 at 11:04 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 1997 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 165% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 165% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0381 | 3.82*** |
| αARCH | 0.0466 | 4.92*** |
| βGARCH | 0.9049 | 95.99*** |
| γleverage | 0.0770 | 3.07*** |
0.990
Persistence68d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0381 | 3.82*** |
α ARCH Response to squared shocks | 0.0466 | 4.92*** |
β GARCH Volatility persistence | 0.9049 | 95.99*** |
γ leverage Additional response to negative shocks | 0.0770 | 3.07*** |
Persistence:
0.990
Half-life:
68 days
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