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IPO Date & Timeline Calculator

Calculate the IPO bidding window, days to listing and refund initiation date from the open, close and listing dates of any Indian IPO.

Calculator

Results update instantly — all calculations run privately in your browser. Nothing is sent to any server.

How this calculator works

Bidding window = close date − open date (in days)Refund / unblocking of ASBA funds typically begins about 3 working days after the close dateDays to listing = listing date − close date when a listing date is provided

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FAQs

When are IPO refunds initiated?

Failed / unallotted applications are unblocked roughly 3 working days after the issue closes.

When does IPO listing happen?

Shares usually list about 7 working days after the issue closes, subject to exchange schedules.

Disclaimer
Disclaimer: DostIpo is not a SEBI-registered investment adviser or research analyst. All data here is for information only, not investment advice or a recommendation to invest. GMP is an unofficial estimate. Market investments are subject to risks; read the RHP and consult a SEBI-registered adviser before investing.

Last updated: 29 Aug 2026, 22:13 IST