IPO Listing Gain Calculator
Enter the Grey Market Premium, issue price, and lot size to see the expected listing price and profit per lot.
Estimated Listing Price
₹650
+30.00%
Profit per Lot
₹4,500
30 shares × ₹150
| Lots | Investment | Expected Profit |
|---|---|---|
| 1 | ₹15,000 | ₹4,500 |
| 2 | ₹30,000 | ₹9,000 |
| 3 | ₹45,000 | ₹13,500 |
| 5 | ₹75,000 | ₹22,500 |
| 10 | ₹1,50,000 | ₹45,000 |
How the Listing Gain Calculator works
The Grey Market Premium (GMP) is the unofficial premium that traders are willing to pay over the IPO issue price in the days before listing. It is the most widely-watched indicator of expected listing-day performance. This calculator converts a GMP reading into an expected listing price, a projected profit per lot, and a pre-built profit table for 1, 2, 3, 5 and 10 lots so you can see the best-case payoff before you apply.
The formula is simple: expected listing price = issue price + GMP, and profit per lot = GMP × lot size. The tool also shows the percentage listing gain so you can compare it to the average listing gain of recent IPOs on our Performance tracker. Use it as a sanity check — if a company has a GMP of ₹150 on a ₹300 issue price, the implied listing gain is 50% which is unusually high and rarely sustained in the cash market on listing day.
Serious retail applicants use this tool together with the Allotment Probability Calculator to decide whether the expected payoff justifies the lock-in of application money. Remember that GMP is unofficial, unregulated, and can swing dramatically in the days before listing — especially if broader market conditions change.
Disclaimer: GMP is unofficial grey-market data and is not endorsed by SEBI, NSE, or BSE. Listing-day prices can differ significantly from GMP expectations. This tool is for educational purposes only.
Frequently Asked Questions
How accurate is the GMP-based listing price prediction?+
GMP-based predictions are directionally accurate 70-75% of the time based on historical data. However, actual listing prices can deviate significantly from GMP, especially in volatile market conditions.
What is a good listing gain percentage for an IPO?+
Listing gains above 10% are considered good. Gains above 30% are exceptional. Average listing gain across all Indian IPOs in 2024 was approximately 18-22%. Negative listing (below issue price) occurs in about 25-30% of IPOs historically.