BLS Polymers IPO Listing: The shares listed at a 65 per cent premium to the IPO Price. BLS Polymers shares made a bumper listing at stock exchanges listing at Rs 248 on the National Stock Exchange NSE reflecting a 65 per cent premium over the IPO Price of Rs 150 per share Meanwhile at BSE the BLS Polymer share price debuted at Rs 24410 up 6273 per cent from the IPO price.