Every IPO news headline carries a subscription figure: "IPO subscribed 3.4 times on Day 1", "QIB portion subscribed 120x on the last day". These numbers move markets' mood and dominate social media, yet many applicants cannot say what they are counting. This guide explains how subscription status is built, how to read each category, and what the numbers do not tell you.
Key Takeaways
- Subscription = shares bid ÷ shares offered, category by category, excluding the anchor portion.
- Each category fills independently — retail can be 20x while QIB is 2x.
- Day 1 and Day 2 numbers are provisional; institutional demand often shows up late on the final day.
- Subscription measures demand, not quality, valuation or listing price.
- High retail subscription lowers your allotment odds; it does not change the price you pay.
What Does "Subscribed X Times" Mean?
When a company offers, for example, 1 crore shares to the public and investors place valid bids for 12 crore shares, the IPO is 12 times subscribed (12x). If bids total exactly 1 crore shares it is 1x, and below that it is under-subscribed.
Because bids are counted in shares, not in rupees, a 5x figure says how crowded the queue is, not how much money is being put in.
The Categories You'll See on the Subscription Page
An IPO's shares are split into reserved categories, and exchanges publish demand for each. Understanding who sits in each bucket makes the numbers meaningful (details in our guide to QIB, NII and retail categories).
| Category | Who bids | Typical share of the issue | How allotment works |
|---|---|---|---|
| QIB | Mutual funds, insurers, FPIs and other institutions (non-anchor) | Up to 50% (75% for certain issuers) | Proportionate |
| NII – small (sNII) | Investors bidding ₹2 lakh to ₹10 lakh | About one-third of the NII portion | Proportionate |
| NII – big (bNII) | Investors bidding above ₹10 lakh | About two-thirds of the NII portion | Proportionate |
| Retail (RII) | Individuals bidding up to ₹2 lakh | Not less than 35% (lower for certain issuers) | Lottery when oversubscribed |
| Employees (if any) | Company employees | Small, optional reservation | Proportionate |
Percentages differ from issue to issue and by the issuer's category, so the prospectus is the final authority. What matters for reading subscription is that each bucket is measured against its own size. A retail subscription of 30x and a QIB subscription of 3x can sit side by side on the same IPO.
A Worked Example
Take a hypothetical mainboard IPO of 2 crore shares. After 60 lakh shares are allotted to anchor investors before the issue opens, 1.4 crore shares remain open for public bidding, split across the categories below.
| Category | Shares offered | Shares bid for | Subscription |
|---|---|---|---|
| QIB | 40 lakh | 1.2 crore | 3.0x |
| NII (sNII + bNII) | 30 lakh | 1.5 crore | 5.0x |
| Retail | 70 lakh | 2.8 crore | 4.0x |
| Total | 1.4 crore | 5.5 crore | 3.93x |
Notice the total is not a simple average of the three multiples. It is total shares bid divided by total shares offered — so the bigger category, retail here, pulls the total more.
How Allotment Odds Relate to Subscription
Subscription tells you roughly how hard it is to get shares in a category:
- Retail, oversubscribed: allotment is by lottery of one lot per applicant, so a retail subscription of 4x implies roughly a one-in-four chance for an application, all else equal.
- NII and QIB, oversubscribed: allotment is proportionate — you receive a fraction of what you bid for, rounded down to lots.
- Under 1x: valid bids are generally allotted in full within the category (subject to spillover rules in the offer document).
Our detailed explainer on lottery vs proportionate allotment shows the maths, and you can then read the basis of allotment to see what actually happened.
Reading the Day-Wise Pattern
Subscription is reported live and then summarised each evening. Day-wise patterns often look like this, though there is no fixed script:
- Day 1: low numbers in most categories; retail and small NII bids trickle in.
- Day 2: steady growth, especially in retail.
- Final day: the sharp jump. Institutions and large NII bidders frequently place bids in the last hours, which is why QIB numbers can climb from low single digits to very large multiples at the close.
Because bids can still be revised or cancelled until the window closes, early figures are provisional. Judging an IPO from Day 1 numbers alone misses how much of the final picture arrives on the last day.
Where to See Live Subscription Data
- NSE and BSE websites publish official bidding details during the issue; this is the primary source.
- Broker and IPO apps repackage the same exchange data in easier tables.
- IPOBee shows category-wise subscription alongside GMP and dates on each IPO's page, so you can compare in one view.
What Subscription Data Cannot Tell You
Also remember that some large non-institutional bids are financed and may be withdrawn before allotment, which is one reason category multiples can overstate real, held demand. The final allotment data is the reliable record.
Undersubscription and Spillover
If one category falls short, the offer document usually allows unsubscribed shares to be reallocated from other categories, subject to conditions. If the overall issue does not meet the minimum subscription required by SEBI for its fresh issue, the company must refund applicants. This is why exchanges track demand so closely during the window.
Frequently Asked Questions
Sources & Further Reading
- NSE India — live IPO bidding details
- BSE India — live public issue bidding details
- SEBI — General Information Document for Investing in Public Offers (categories, bidding and allotment)
Rules and limits in India's IPO market are revised from time to time. This article was last reviewed on September 19, 2026; confirm the current position on sebi.gov.in and in the offer document of the specific issue before relying on any number here.
