What is an IPO?
An Initial Public Offering (IPO) is the process by which a private company raises capital by offering shares to the public for the first time. By transitioning from a privately held entity to a publicly traded company on exchanges like the NSE and BSE, companies unlock access to significant capital for expansion, debt repayment, and working capital needs.
Mainboard IPO vs SME IPO
In the Indian stock market, IPOs are broadly categorized into two segments:
- Mainboard IPOs: These are large-cap offerings from established companies with a strong track record of profitability and high minimum paid-up capital. They list on the primary indices of the NSE or BSE. Minimum investment amounts are usually around ₹15,000 for retail investors.
- SME IPOs: Small and Medium Enterprise (SME) IPOs are designed for emerging companies. They list on dedicated SME platforms (NSE Emerge and BSE SME). While they offer high-growth potential, they carry significantly higher risk and volatility. The minimum investment (lot size) is substantially higher, typically exceeding ₹1,00,000, which restricts participation to high-net-worth individuals and serious retail investors.
How to analyze an IPO before investing?
Before applying for an IPO, investors should evaluate several key metrics to gauge the quality and demand for the issue. The Grey Market Premium (GMP) is an unofficial indicator of the premium at which the unlisted shares are trading before the official listing. While GMP provides short-term listing gain expectations, long-term investors should read the Red Herring Prospectus (RHP) to understand the company's financials, peer valuation (P/E ratio comparison), and the objective of the issue.

