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Astra International Tbk (Pt) Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:47.47% (-2.28%)
Analysis last updated: Sunday, February 15, 2026 at 04:09 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Astra International Tbk (Pt) SGARCH
paramt-stat
ω0.98403.44
α0.14016.96
β0.812132.88
γ1-0.1375-1.15
γ20.28781.66
γ3-0.3012-3.53
γ40.24043.83
γ5-0.1112-1.33
γ60.00470.05
γ70.01250.20
γ80.05721.16
γ9-0.1203-1.91
γ100.18001.91
Estimation Period:
Apr 4, 1990 to Feb 13, 2026
Impact of return on volatility tomorrow
Volatility Forecasts