Introduction to IPO Bidding
When applying for an Initial Public Offering (IPO) in India through the Unified Payments Interface (UPI) or Application Supported by Blocked Amount (ASBA) facility, every investor encounters a specific form field: a checkbox labelled Cut-off Price. While veteran market participants check this box almost instinctively, first-time retail investors often pause to wonder whether selecting it means paying the highest possible price, the average price, or something else entirely.
Understanding how the price band works and what ticking the cut-off option really implies is essential to ensure that your application remains valid throughout the book-building process regulated by the Securities and Exchange Board of India (SEBI) and managed on stock exchange platforms such as the National Stock Exchange (NSE) and BSE.
Understanding the Price Band
In a book-built IPO, the issuer company and its lead merchant bankers do not announce a single fixed price for the shares. Instead, they provide a range within which investors are invited to bid. This range is known as the price band.
- Floor Price: The lower boundary of the band. Bids cannot be submitted below this price.
- Cap Price: The upper boundary of the band. Bids cannot exceed this price.
Under SEBI regulations, the cap price cannot exceed the floor price by more than 20%. This boundary ensures that the spread remains reasonable, allowing market forces to discover the fair clearing value through bidding demand.
What Does ‘Cut-off Price’ Mean?
The cut-off price is not predetermined before the issue opens. Instead, it is the final issue price determined by the issuer and book-running lead managers after evaluating the collective demand from Qualified Institutional Buyers (QIBs), Non-Institutional Investors (NIIs), and Retail Individual Investors (RIIs).
When you tick the ‘Cut-off’ checkbox on your application form, you make a binding commitment: ‘I agree to purchase the allotted shares at whatever final price is discovered by the book-building process, up to the cap price.’
Because the final discovered price cannot exceed the cap price, your bank account blocks the maximum amount payable—calculated by multiplying the number of shares applied for by the cap price. If the discovered price is set lower than the cap, the difference is unblocked and returned to your account upon allotment finalization.
Who Is Allowed to Bid at Cut-off?
SEBI guidelines restrict the use of the cut-off option to specific investor categories:
- Retail Individual Investors (RIIs): Individuals applying for shares worth up to ₹2,00,000 are eligible to bid at the cut-off price.
- Eligible Employees or Shareholders: Reserved categories with individual application thresholds permitted under the offer documents may also use the cut-off feature.
- Who Cannot Use It: Qualified Institutional Buyers (QIBs) and Non-Institutional Investors (NIIs/HNIs bidding above ₹2,00,000) are strictly prohibited from selecting the cut-off option. They must specify an exact numerical price for each bid.
How Book Building and Allotment Work Step by Step
The transition from bidding to share allotment follows a standardized timeline monitored by SEBI, NSE, and BSE:
- Bidding Phase (T): Bids are submitted across trading days. Retail investors submit bids directly through their brokers via UPI-ASBA, either choosing specific price points within the band or opting for the cut-off price.
- Book Closure & Discovery: Once the issue closes, the merchant bankers analyze the cumulative order book. The clearing price—where the full issue can be subscribed—becomes the final cut-off price. In oversubscribed issues, this price is almost invariably the cap price.
- Allotment Determination (T+1): The registrar cross-references valid applications against the discovered price. Applications placed at a price below the finalized issue price are automatically discarded as invalid.
- Fund Reversal & Credit (T+2 to T+3): Funds for allotted shares are transferred to the issuer, unallocated blocked amounts are released to investor bank accounts, and shares are credited to demat accounts prior to listing.
Worked Example: How Bidding Choices Affect Allotment
The following example uses round, hypothetical figures to illustrate the financial mechanics of bidding:
| Parameter | Hypothetical Scenario |
|---|---|
| Floor Price | ₹100 per share |
| Cap Price | ₹110 per share |
| Lot Size | 50 shares |
Consider two retail investors applying for one lot (50 shares):
- Investor A (Fixed Bid): Bids at ₹105 per share. The bank blocks ₹5,250 (50 × ₹105).
- Investor B (Cut-off Selected): Checks the ‘Cut-off’ box. The bank blocks ₹5,500 (50 × ₹110, the cap price).
Outcome 1: High Demand Sets Final Price at ₹110
If strong institutional and retail demand pushes the discovered issue price to the cap of ₹110:
- Investor A’s bid of ₹105 is lower than the discovered price. The application is disqualified, and no shares can be allotted. The blocked ₹5,250 is released.
- Investor B’s application remains fully valid and enters the allotment pool because the cut-off option automatically matches the final price of ₹110.
Outcome 2: Moderate Demand Sets Final Price at ₹104
If demand settles the final issue price at ₹104:
- Investor A bid ₹105, which is above the issue price. The application is valid. Investor A is charged ₹5,200 (50 × ₹104), and ₹50 is unblocked.
- Investor B is also charged ₹5,200 (50 × ₹104). The remaining ₹300 of the original ₹5,500 block is unblocked and returned to their bank balance.
Common Mistakes Retail Investors Make
- Bidding Below the Cap in Overbooked Issues: In high-interest offerings, entering a price even one rupee below the cap price practically guarantees that your application will be disqualified once the issue price is established at the upper limit.
- Equating Cut-off with Guaranteed Allotment: Ticking ‘Cut-off’ only guarantees that your bid remains price-compliant. If the retail category is oversubscribed, allotment is decided through a computer-generated lottery system under SEBI rules, regardless of when or how the bid was placed.
- Selecting Cut-off as an NII/HNI: Investors applying for more than ₹2,00,000 who inadvertently check the cut-off option will have their applications rejected by exchange engines during technical validation.
Frequently Asked Questions
Why does the ASBA mandate block the cap price when I select cut-off?
Because the final issue price is unknown while bidding is open, your bank must block the maximum possible liability (lot size multiplied by the cap price). If the discovered price ends up lower, the excess balance is unblocked automatically.
Does ticking cut-off improve my chances in the retail lottery?
No. Ticking cut-off does not give preferential priority over an investor who manually entered the cap price. Both bids are treated identically during the allotment draw. It simply acts as a safeguard against bidding below the final discovered price.
Can I modify my bid from a specific price to cut-off later?
Yes. As long as the bidding window remains open, you can revise your application through your broker’s portal to switch between a fixed price and the cut-off option, which will generate an updated UPI mandate request for any price differential.
SEBI Compliance & Statutory Disclaimer: this guide is for education only and is not investment advice. IPO Bulletin is not a SEBI-registered investment adviser. Rules referred to are set by SEBI, NSE and BSE; check the latest circulars before you apply.
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