Reliance Jio IPO GMP today: The much-anticipated Jio Platforms IPO is set to open for subscription on Wednesday, 21 October. The Mukesh Ambani-led company is planning to raise ₹30,213 crore through the public issue. The Jio Platforms IPO will remain for bidding till Friday, 23 October, with shares likely to be listed on Wednesday, 28 October, on both BSE and NSE.Jio Platforms IPO GMP todayJio Platforms IPO is commanding a strong premium in the grey market ahead of opening for subscription, according to market observers.