V-Lab
Yw Co Ltd MEM Volatility Analysis
Volatility prediction for Tuesday, August 18th, 2026
1 Day
28.32%
increased by 0.75%
1 Week
29.20%
increased by 1.63%
1 Month
32.27%
increased by 4.70%
Analysis last updated: Sunday, August 16, 2026 at 12:13 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 11, 2003 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 63 trading days, meaning a shock loses half its impact after approximately 63 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1361 | 7.53*** |
α ARCH Response to squared shocks | 0.1459 | 30.76*** |
β GARCH Volatility persistence | 0.8432 | 208.78*** |
Persistence:
0.989
Half-life:
63 days
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