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Artha Mahiya Investama Tbk PT Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:118.11% (-14.82%)
Analysis last updated: Saturday, February 14, 2026 at 01:22 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Artha Mahiya Investama Tbk PT S0GARCH
paramt-stat
ω4.37612.29
α0.220529.77
β0.7781118.61
γ1-0.0558-0.04
γ2-0.7282-0.41
γ31.85111.51
γ4-1.6782-1.45
γ51.38721.00
γ6-8.6986-4.11
γ724.792510.87
γ8-35.4761-7.26
γ934.07814.12
γ10-21.8074-3.25
Estimation Period:
Sep 11, 2002 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts