An IPO attracts bids within a price band, then announces a final offer price. That sequence is part of bookbuilding: demand is gathered before the issue price is finalised. It is different from simply offering every investor shares at a price already fixed at the outset.
SEBI’s investor explanation describes the Indian process, including bids specifying price and quantity within a band. The issuer and book-running managers use the demand information when determining the offer price. Procedures, investor categories and allocation rules differ across markets, so use the offer documents for the particular listing.
Demand is one piece of information
A heavily subscribed book indicates demand under the offer’s conditions. It does not establish the company’s intrinsic value or guarantee a gain after trading begins. The composition and terms of bids matter, and the subsequent market has its own buyers and sellers.
Separate three questions when reading an announcement: at what price are shares offered, how are they allocated, and what risks does the business disclose? A headline about oversubscription may answer none of those in sufficient detail.
Follow the documents through the process
Identify the preliminary and final offer documents and note which information changes. Read the use of proceeds, business risks, financial information and any selling-shareholder component. A newly listed company is still a business to assess, not merely an event to enter.
If considering participation, confirm eligibility, application procedures, cancellation or amendment rules and the treatment of unallocated funds through the authorised intermediary. Do not assume that submitting a bid guarantees receiving shares.
A useful research note distinguishes facts about the offer from your own assumptions about future performance. Bookbuilding helps explain how the offer price is formed; it does not remove investment risk or replace a decision about whether the investment fits your circumstances.