Bristol-Myers Squibb Co MEM Volatility Analysis
Volatility prediction for Friday, October 9th, 2026
1 Day
24.75%
decreased by 0.28%
1 Week
24.89%
decreased by 0.14%
1 Month
25.36%
increased by 0.33%
Analysis last updated: Thursday, October 8, 2026 at 09:50 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 42 trading days, meaning a shock loses half its impact after approximately 42 days.
μ
MEM Model
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Shock decay: Shocks decay with a 42-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0537 | 2.40** |
| αARCH | 0.1512 | 11.26*** |
| βGARCH | 0.8322 | 84.73*** |
0.983
Persistence42d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0537 | 2.40** |
α ARCH Response to squared shocks | 0.1512 | 11.26*** |
β GARCH Volatility persistence | 0.8322 | 84.73*** |
Persistence:
0.983
Half-life:
42 days
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