Above its usual range of 0.44 to 0.76. The record is 0.90, in September 2024. Up from 0.63 a year ago.
What it is. How busy and how generous the IPO market is: the count of listings and their median first-day gain over three months, each ranked against all earlier history.
How to read it. Hot IPO markets come with rising prices and easy money. Our pre-registered study found that the median IPO trails the market afterwards.
The usual range is the middle half of readings since 2017. A percentile is the share of the 116 readings since 31 Mar 2017 that were below today's. Data: statistics, history (JSON); history as CSV.
To cite: tipsheet, “IPO heat”, data to Oct 2026, https://tipsheet.markets/i/ipo-heat/