Grey Market is an unregulated market to trade IPO applications and IPO shares before listing of the stock. An investor may not want to trade in the grey market, but getting an idea of the GMP can be used to estimate the listing gain on the IPO share. Check the latest Grey Market Premium (GMP) for Pine Labs IPO. Stay updated with live price trends and market demand. Check out the upcoming IPO GMP today with updated rates here. IPO GMP Live Today. Check all IPO GMP at one Place . Get insights into the IPO grey market premium for profitable investments.