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V-Lab

PT Amman Mineral Internasion Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 19th, 2026:61.08% (-2.62%)
Analysis last updated: Thursday, February 19, 2026 at 09:43 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of PT Amman Mineral Internasion S0GARCH
paramt-stat
ω0.83852.97
α0.19951.94
β0.27870.75
γ15.85520.36
γ2-26.4067-1.02
γ351.50252.14
γ4-58.7839-1.89
γ539.50481.30
γ62.50600.11
γ7-37.5198-1.95
γ835.89472.16
γ9-14.9593-1.22
γ101.45210.12
Estimation Period:
Jul 7, 2023 to Feb 13, 2026
Impact of return on volatility tomorrow
Volatility Forecasts