Finance & Investing What is the green shoe rule? March 6, 2026 by Mercier | Leave a Comment The green shoe rule, also known as an over-allotment option, is a provision in an initial public offering (IPO) that allows underwriters to sell more shares than initially planned. This helps stabilize the stock price in the aftermarket. Understanding the Green Shoe Rule in IPOs When a company decides to go public, it’s an exciting […] Read more ยป