RFBL Flexi Pack share price lists at 5% premium over the IPO price by Live mint | May 19, 2026 11:10 am | Indian Stocks, Market, News RFBL Flexi Pack share price opened at ₹52.50 apiece on NSE SME. Ahead of the debut, the GMP of RFBL Flexi Pack IPO was ₹1.5 in the grey market, as per websites tracking unlisted market.