Calculate your expected profits from IPO investments based on Grey Market Premium (GMP) and make informed investment decisions.
Enter negative value if GMP is negative
Results are based on current GMP and assume listing at expected price. Actual results may vary.
Understand the methodology and formulas behind our professional-grade calculator
Enter the IPO issue price, current GMP, number of lots, and shares per lot. These form the foundation of all calculations.
The calculator adds GMP to the issue price to estimate where the stock might list on the exchange.
Calculate gross profit by multiplying GMP with total shares, then subtract brokerage to get net profit.
Calculate the percentage return on your investment to assess the profitability of the IPO opportunity.
Learn from actual IPO case studies with detailed gain calculations and outcomes
Success Story
Issue Price
₹76
Pre-listing GMP
₹41
Lot Size
195 shares
Actual Listing
₹116
Key Learning: Strong brand recognition and favorable market conditions led to exceptional listing performance.
Cautionary Tale
Issue Price
₹2,150
Pre-listing GMP
-₹200
Lot Size
7 shares
Actual Listing
₹1,955
Key Learning: Negative GMP often signals market concerns about valuation and business fundamentals.
Exceptional Performance
Issue Price
₹1,125
Pre-listing GMP
₹400
Lot Size
13 shares
Actual Listing
₹2,001
Key Learning: Sometimes actual listing can exceed GMP expectations due to strong market demand.
Expert techniques for maximizing IPO returns using GMP analysis
Common questions about IPO listing gain calculations and GMP analysis