Pacer S&P M 400 Q FCF AR ETF Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
17.59%
increased by 0.68%
1 Week
18.05%
increased by 1.14%
1 Month
18.20%
increased by 1.29%
Analysis last updated: Tuesday, July 21, 2026 at 09:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 1, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8986 | 5.69*** |
α ARCH Response to squared shocks | 0.2227 | 1.09 |
β GARCH Volatility persistence | 0.2084 | 1.52 |
γ leverage Additional response to negative shocks | -0.2227 | -1.10 |
Persistence:
0.320
Half-life:
1 days
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