IPO timeline: from opening day to listing (T+3 explained)
| Day | What happens |
|---|---|
| Day before opening | Anchor investors are allotted shares; the price band is announced earlier |
| Day 1–3 (T is the last day) | Bidding is open; UPI mandate cut-off on the last day |
| T+1 | Registrar finalises the basis of allotment |
| T+2 | Shares credited to demat accounts; unused money unblocked |
| T+3 | Shares list on the exchange |
The T+3 listing timeline has been mandatory for public issues since December 2023 and shortened the older six-day gap between closing and listing.
Things to remember
- A weekend or exchange holiday pushes later steps by a working day.
- The exact dates of each issue are in its offer document and on its IPO page here.
Frequently asked questions
How many days is an IPO open?
Three working days for most issues.
Last updated 2026-10-20. Information only, not investment advice.