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IPO Calendar: September 2026

All mainboard and SME IPO dates in September 2026 at a glance: when bidding opens and closes, allotment and listing.

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309 IPO dates in September

Tue, 1 Sep

Wed, 2 Sep

Thu, 3 Sep

Fri, 4 Sep

Mon, 7 Sep

Tue, 8 Sep

Wed, 9 Sep

Thu, 10 Sep

Fri, 11 Sep

Tue, 15 Sep

Wed, 16 Sep

Thu, 17 Sep

Fri, 18 Sep

Mon, 21 Sep

Tue, 22 Sep

Wed, 23 Sep

Thu, 24 Sep

Fri, 25 Sep

Mon, 28 Sep

Tue, 29 Sep

Wed, 30 Sep

IPO calendar FAQs

What does the IPO calendar show?

Every mainboard and SME IPO date in the month: the day bidding opens, the day it closes, the allotment date and the listing date. Tap any IPO to see its price band, lot size, GMP and subscription.

How long after an IPO closes is allotment and listing?

Under SEBI’s T+3 timeline, allotment is usually finalised one working day after the issue closes (T+1), refunds and share credit to demat accounts follow on T+2, and the shares list on T+3. Each IPO’s exact dates are on the calendar.

What is the difference between the allotment date and the listing date?

On the allotment date the registrar decides who gets shares, and you can check your allotment status. On the listing date the shares start trading on the stock exchange.

Do SME IPOs follow the same dates?

SME IPOs follow the same T+3 timeline but list on the SME platforms of NSE (Emerge) or BSE. Use the Mainboard and SME filters to see one kind at a time.