Important Disclaimer
This tool provides an illustration of allotment probability for Retail Investors (RII) based primarily on subscription levels. Actual allotment depends on final verified application data, SEBI regulations, and the registrar's lottery process. This is not financial advice.
Enter IPO Details
Estimates update automatically based on your selections.
Your Allotment Likelihood
How This Calculator Works
Undersubscription (≤ 1x)
If RII portion is not fully subscribed, all valid applicants typically receive allotment (Likelihood: Guaranteed)
Oversubscription (> 1x)
When demand exceeds supply, SEBI rules focus on maximum retail participation. Allotment is done via lottery for minimum lot size. Approximate probability: 1 / Subscription Level
Important Notes
- This is a simplified estimate based on subscription only
- Actual probability depends on exact number of valid applications (not public)
- Does not account for invalid applications or specific lottery mechanics
- For 1 lot in heavily subscribed IPO, lottery determines allotment
Tips for Better Allotment Chances
Apply Early
Avoid last-minute technical glitches during the IPO subscription period
Verify Details
Ensure PAN, Demat account, Bank account, and UPI ID are correct. Mismatches lead to rejection
Apply for 1 Lot (RII)
In heavily oversubscribed IPOs, applying for minimum lot maximizes your lottery chances. Applying for more doesn't increase probability
Family Applications
Family members with unique PAN and Demat accounts can each apply separately, increasing household overall chances
Approve UPI Mandate
Ensure sufficient funds and approve the mandate request promptly in your UPI app
Frequently Asked Questions
The IPO Registrar follows SEBI guidelines. For oversubscribed RII portions, the process ensures maximum retail participation. If demand exceeds supply after allocating one minimum lot each, a computerized random lottery distributes remaining shares among eligible applicants.
No. In oversubscribed RII category, applying for more than one lot does not increase probability of getting allotment. The lottery system gives each valid application an equal chance. Applying for more lots only increases shares you might get if allotted.
Non-Institutional Investor (NII) category follows different rules. Allotment is typically proportionate based on application amount. This calculator focuses on Retail (RII) category only.
Allotment status is available 1-2 working days after IPO closes (Basis of Allotment date). Check on the IPO Registrar's website using PAN, Application Number, or DP/Client ID. Your broker's platform may also show status.
If not allotted, funds blocked via ASBA or UPI mandate are automatically released back to your bank account within 1-2 working days after allotment finalization.
Common reasons: Incorrect PAN/Demat/Bank details, multiple applications from same PAN in RII category, insufficient funds for mandate, UPI mandate not approved, or applying in wrong investor category.
It provides a rough idea based on subscription level. However, it's a simplified estimate. Actual probability depends on the exact number of valid applications received and specific registrar lottery process. Treat it as an educational guide only.
Disclaimer
This IPO Allotment Probability Calculator is for illustrative and educational purposes only, focusing on the Retail (RII) category. It uses a simplified calculation based primarily on subscription levels and does NOT guarantee or accurately predict actual allotment outcomes. Allotment depends on final verified application data, SEBI regulations, and the registrar's lottery process. This is not financial advice. Always conduct thorough research and consult a financial advisor before investing in any IPO.