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MethodFinance

How is Global IPO Market constructed?

Published by Deepstory Research as the methodology attached to Global IPO Market. Scope and source attribution are bounded by that Evidence Brief.

Procedure and scope

All figures are EY Global IPO Trends, SPACs excluded, on an AS-FIRST-REPORTED basis — each year uses the number EY published in that year’s own year-end report, not a later restatement. This matters more than it sounds. EY publishes annual totals in mid-December, BEFORE the year ends: its stated methodology counts completed IPOs to roughly 9 December plus a forecast for the rest of the month. Those totals are then restated. 2023 was first published at US$123.2bn / 1,298 deals, but the 2024 report compares against a restated ~US$126.1bn / ~1,350 baseline — which is where the widely circulated but misattributed "$126.1bn for 2024" figure originates. The restatement chart shows both values for 2023 side by side. The 2023 restated value is DERIVED, not published as a standalone figure: it back-solves EY’s own stated −4% YoY proceeds change on 2024’s US$121.2bn. The arithmetic is stated in that point’s value_basis so the derivation is visible rather than hidden. OMITTED: 2021 and 2022 figures could not be confirmed against an EY primary source in this pass and are not seeded. Proceeds and deal count are deliberately separate charts, not a dual axis — they move independently and a shared axis would invite the wrong inference. Re-verified 2026-08-10.

Known failure modes and limits

  • Regional or sector breakdowns.
  • Aftermarket performance of listed companies.
  • Withdrawn or postponed offerings.