Analisis Pelaksanaan Greenshoe Option Pada Peraturan Otoritas Jasa Keuangan Nomor 6/POJK.04/2019 tentang Stabilisasi Harga untuk Mempermudah Penawaran Umum (Studi Komparasi antara Amerika Serikat, Inggris, dan India) = Analysis of the Implementation of Greenshoe Option in Financial Services Authority Regulation Number 6/POJK.04/2019 Regarding Price Stabilization to Facilitate Public Offering (Comparative Study Between The United Stated, England, and India)