Pharmaceutical company Onyx Biotec Ltd. launched its IPO on Wednesday.The SME IPO was subscribed 3.15 times on the opening day of bidding.The Onyx Biotec IPO has been subscribed 5.95 times so far on Thursday.Onyx Biotec IPO's grey market premium stood at Rs 15 as of 9:00 a.m. on Thursday, indicating a listing gain of Rs 15 or 24.59%.