red herring
Red Herring is an early, unfinished company document used to test investor interest in a share sale before the final price and details are locked in.
In plain English
Adaeze works in investor relations for a mid sized company planning to list on the Nigerian Exchange, and one Monday she gets a call from her cousin in Manchester asking why he cannot yet see the actual share price online, only a long document with warnings all over it.
That document is what people in the market call a red herring. It is the early draft of a prospectus, sent out to test the waters with interested investors, and it deliberately leaves out the final offer price and the exact number of shares because those details have not been settled yet.
The name has nothing to do with fish. It comes from the bold warning printed in red ink across the cover, stating clearly that this is not the finished offer and cannot be used to actually buy shares. That red text is the herring, a loud signal meant to stop anyone rushing in too early.
Companies use it to gauge appetite. Fund managers, big investors, and sometimes members of the public get to study the business, its risks, its financials, and its plans, and they can register interest, but no money changes hands and no allotment happens until the final prospectus is published with the real numbers.
For someone like Adaeze's cousin, it is a useful lesson before he sends money home to help a relative invest in a new listing. Seeing a red herring should slow him down, not speed him up. It means the offer is not final, the price is not fixed, and patience will save him from acting on numbers that could still change.
A Lagos based fintech firm preparing to raise ₦8,000,000,000 through a share sale circulates a red herring showing its revenue, risks, and business model, but leaves the final share price blank until regulators approve the offer weeks later.
Questions people ask
Can I actually buy shares using a red herring document?
No. A red herring is only for information and gauging interest. You cannot pay for shares or receive an allotment until the company publishes the final prospectus with confirmed price and terms.
Why do companies bother releasing an unfinished document at all?
It lets them test demand, gather feedback from big investors, and fine tune pricing before locking in the final offer, which reduces the risk of a share sale that flops or is priced badly.
How is a red herring different from the final prospectus?
The final prospectus contains the confirmed share price, the exact number of shares on offer, and full regulatory approval, while the red herring is a preview missing these final details.
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