book building
Book Building is the process of asking big investors what price they would pay for new shares before deciding the final price at which everyone buys in.
In plain English
At a family meeting in Lagos, the eldest daughter is trying to decide the dowry list her brother will present, but before writing anything final, she calmly calls three uncles and two aunties to ask what they think is fair, so nobody feels cheated and nobody overpays. That calm round of calls, that gathering of opinions before the final number is written down, is the same instinct behind Book Building.
When a company wants to sell new shares to the public, it does more than pick a price out of the air and hope people buy. Instead, its investment bank goes round to big investors, pension funds, asset managers, wealthy individuals, and asks them one question. At what price, and for how many shares, would you be willing to invest?
Each big investor writes down their answer in what is called a bid. Some say they will buy 500,000 shares at ₦18 each, others say they will only come in at ₦15. The bank collects all these bids into a book, hence the name, and from that book they can see where real demand sits.
Once the book is full, the company and its bank settle on a final price that balances two things: raising enough money for the company, and leaving new shareholders happy rather than regretful on day one. This is different from just fixing a price and hoping for the best, because it lets actual demand from serious money decide what is fair.
Nigerians who followed the NGX offerings of companies like Airtel Africa or Dangote Cement at listing time saw this process at work, even if the news reports only mentioned the final price. In London, book building is standard practice for almost every new listing on the stock exchange, from small companies to giants like a major insurer raising fresh capital.
A Nigerian fintech wants to list on the NGX and raise ₦10 billion. Its bank builds a book from pension funds and asset managers, who bid between ₦22 and ₦28 per share. Seeing strong demand around ₦26, the company sets the final offer price at ₦26 per share, confident the shares will not crash immediately after listing.
Questions people ask
Is Book Building the same as an IPO?
No, it is one method used inside an IPO to decide the price. An IPO is the whole event of a company selling shares to the public for the first time, while Book Building is the pricing technique used within it.
Can an ordinary retail investor take part in Book Building?
Usually not directly. The bidding round is mostly for institutional investors like pension funds and asset managers, though retail investors can still buy shares once the final price is set and the offer opens to the public.
Why more than fix one price from the start?
Fixing a price without checking real demand is guesswork, and guesswork can price shares too high, leaving them unsold, or too low, leaving money on the table that the company needed.
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