C2C Advanced Systems IPO GMP : Unlisted shares of C2C Advanced Systems Ltd were trading at Rs 471 apiece in the grey market, which is a huge Rs 245 or 108.41 per cent above the issue price of Rs 226 per share. Check C2C Advanced Systems IPO GMP today with live grey market premium updates, latest bidding trends, and price insights to track IPO demand in real time. GMP (Grey Market Premium) is the difference between the IPO price and the grey market price. It is the premium amount paid for the traded IPO shares. It plays an important role in IPOs as it reflects how the IPO would react on the listing day. C2C Advanced Systems IPO GMP (grey market premium) stood at Rs 245 as of 3:32 pm on November 22, according to the InvestorGain. This indicates a strong listing for the IPO shares at Rs 471 apiece (Rs 245 + Rs 226).