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	param	t-stat
$ω$	0.0260	27.76
$α$	0.1267	41.63
$β$	0.8661	258.85
$γ$	0.2669	24.41
$δ$	1.5991	30.62

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Straits Times Index STI APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other Straits Times Index STI Analyses