How Does IPO Oversubscription Affect Retail Allotment in India?

Understanding IPO Oversubscription and Retail Allotment in India

About the IPO.Allotment: This guide helps investors understand the IPO process for companies issuing shares on the mainboard, including retail and institutional participation, price discovery, and allotment rules.

Book Building – How IPO Prices Are Set

The majority of IPOs in India are book-built offers. Instead of fixing a price, the issuer sets a price band in consultation with lead managers. SEBI mandates that the cap of the price band should be 5–20% above the floor price. For instance, if ₹100 is the floor, the cap can range from ₹105–₹120.

During the subscription period, investors bid at a price within the band. The lead managers collect these bids to create the “book,” which helps determine the cut-off price – the highest price at which all shares will be subscribed. Retail investors (application up to ₹2 lakh) can bid directly at the cut-off price, while other investors often bid at the cap price. Typically, strong demand results in the cap price becoming the de-facto cut-off.

Retail Allotment in Case of Oversubscription

SEBI’s ICDR regulations detail how shares are allotted to retail investors when demand exceeds supply. We illustrate the process with two scenarios:

Case A: The number of eligible retail applicants is less than or equal to the shares available for retail investors. Each applicant receives at least one lot, and remaining shares are proportionately distributed. For example, an investor applying for 60 shares may receive 25 after iterative calculations.

Case B: The number of eligible retail applicants exceeds the available lots. Applicants are segregated into buckets based on lots applied, and a ratio is calculated to determine allocation via draw of lots. This ensures fair distribution even when demand is extremely high.

Investor Takeaway

Understanding the allotment process helps retail investors manage expectations in oversubscribed IPOs and plan applications more strategically. Knowing how cut-off prices and lot allocations work reduces uncertainty and allows for better decision-making.

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SEBI Disclaimer: The information provided in this post is for informational purposes only and should not be construed as investment advice. Readers must perform their own due diligence and consult a registered investment advisor before making any investment decisions. The views expressed are general in nature and may not suit individual investment objectives or financial situations.

Tags: IPO, Retail Allotment, Book Building, Cut-off Price, SEBI, Oversubscription