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PSI 20 Portuguese Stock Index Asy. Power MEM Volatility Analysis
Volatility Prediction for Monday, October 27th, 2025:11.63% (-0.76%)
Analysis last updated: Friday, October 24, 2025 at 03:03 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of PSI 20 Portuguese Stock Index APMEM
paramt-stat
ω0.027330.89
α0.238277.72
β0.7560253.44
γ0.137227.29
δ1.106725.86
Estimation Period:
Jul 18, 1997 to Oct 24, 2025
Impact of return on volatility tomorrow
Volatility Forecasts