IPO GMP Calculator & Listing Gain Estimator

This free IPO GMP calculator estimates your potential premium returns instantly. Select an active or upcoming IPO and specify the number of lots you plan to apply for to see required investments and projected listing gains based on live GMP.

  • Works as a live GMP calculator for every tracked IPO
  • Instant lot size & required investment mapping
  • Pre-configured retail and HNI parameters
Lot Size (Shares):-
Total Shares:-
Required Bid:-
Estimated GMP Gain:-
Projected Listing Value:-
📊 Empirical Benchmark: How Accurate is IPO GMP?

In our study of 104 Indian IPO listings, positive GMP led to positive listing gains 69.9% of the time. However, the median deviation between estimated and actual listing price was 7.8 percentage points. GMP reflects unofficial grey market sentiment and should not replace fundamental valuation.

Read full GMP accuracy research study & download dataset →
Note: Grey Market Premium (GMP) reflects unregulated market sentiment, not a guaranteed listing price. Actual listing gains depend on final allotment and market conditions on listing day.
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