The IPO, which opens Wednesday and closes Friday, has been priced in the band of ₹371-390 per share. The grey market premium – the price in the unofficial market that investors pay for the shares before listing – was at ₹20 for Swiggy on Tuesday, a 5% premium to the upper price band of ₹390. The IPO, which opens Wednesday and closes Friday, has been priced in the band of ₹371-390 per share. The grey market premium – the price in the unofficial market that investors pay for the shares before listing – was at ₹20 for Swiggy on Tuesday, a 5% premium to the upper price band of ₹390. Economic Times