India's Most Trusted
IPO GMP Tracker
Real-time Grey Market Premium data, live subscription updates, and listing forecasts — empowering Indian investors to make smarter IPO decisions since day one.
IPOs Tracked
GMP Updates
Exchanges Covered
Monthly Visitors
Who We Are
MainboardGMP.com is India's dedicated platform for tracking Grey Market Premium (GMP) data for Mainboard IPOs listed on NSE and BSE. We are a team of finance enthusiasts, data engineers, and stock market analysts committed to delivering free, accurate, and up-to-date IPO insights.
From live subscription numbers and allotment status to listing forecasts and company financials — we bring everything an IPO investor needs under one roof.
- ✓ Free to use — no registration, no paywalls
- ✓ Data refreshed every 30 minutes from market sources
- ✓ Covers both Mainboard and SME IPOs
- ✓ Jurisdictionally based in India (Kolkata, West Bengal)
Our Data Pipeline
Source Collection
IPO data gathered from NSE, BSE, SEBI filings & registrar feeds.
Data Processing
Cleaned, structured and cross-validated for accuracy.
Real-time Updates
GMP signals refreshed every 30 minutes via live market feeds.
User Delivery
Presented in a fast, mobile-first interface — no login needed.
What MainboardGMP Offers
Everything you need to research, track, and evaluate IPO opportunities in one place.
Live GMP Tracker
Monitor real-time Grey Market Premium for all ongoing and upcoming IPOs, updated every 30 minutes.
IPO Calendar
Never miss an opening or closing date. View full subscription windows, allotment and listing schedules.
Subscription Data
Live bid data pulled directly from NSE/BSE. See QIB, NII, and RII subscription status in real time.
IPO Details & Financials
Company overview, issue price, lot size, DRHP links, and key financial metrics at a glance.
Allotment Status
Track allotment results as soon as the registrar publishes them — no extra searching needed.
Listing Performance
Compare expected listing price (GMP-based) with actual listing day performance for every IPO.
Our Mission
To democratize access to IPO grey market intelligence — providing every retail investor in India with the same quality of data previously reserved for market insiders, completely free of charge.
Transparency
We clearly state what GMP is — an informal market indicator, not financial advice. We never inflate expectations.
Speed
IPO markets move fast. Our 30-minute refresh cycle ensures you always see the latest signals before the market closes.
Responsibility
Every page carries clear investment disclaimers. We actively discourage grey-market trading and encourage SEBI-registered advice.
Accessibility
No subscriptions, no popups, no logins. Free and open for every investor — whether you're placing your first IPO bid or your hundredth.
Important Disclaimer
All GMP data on MainboardGMP.com is sourced from informal grey market channels and is published for informational and news purposes only. It does not constitute financial, investment, tax, or legal advice, and must not be treated as a recommendation to buy, sell, or hold any securities.
MainboardGMP.com does not facilitate, endorse, or promote grey market trading. Investors are strongly advised to consult a SEBI-registered financial advisor and independently review all company prospectus documents (RHP/DRHP) before making any investment decision.
Start Tracking IPOs Right Now
Live GMP, subscription stats, and listing schedules — all free, all updated in real time.