DiscoverIPO

Offer Size (Deal Size)

The total dollar value a company aims to raise in its IPO — shares offered multiplied by the offer price. It's typically disclosed as a range until the final price is set, and can be increased via the greenshoe option if demand is strong.

Why it matters

Offer size is the headline number most IPO coverage leads with, and it has a practical downstream effect: larger offerings tend to draw more institutional investor attention and analyst coverage once trading begins, while smaller offerings can see thinner trading volume and wider bid-ask spreads in their early months on the market.

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