Get Unimech Aerospace IPO details. Find IPO Date, Price, Live Subscription, Allotment, Grey Market Premium GMP , Listing Date, Analysis and Review. Check out Unimech Aerospace IPO GMP aka IPO Grey Market Premium, Kostak rates, and Subject to Sauda rates as of today. Unimech Aerospace IPO GMP is started now. Ahead of the listing, Unimech Aerospace IPO shares were trading at Rs 1,410 per share, reflecting a grey market premium ( GMP ) of Rs 625, or 79.62 per cent, over the issue price, according to sources tracking grey market activities. A positive GMP premium signals that the IPO is likely to be at profit while a negative GMP indicates that the IPO is likely to be at a discount. It should be noted that IPO GMP is subject to extreme volatility, so an investment decision based solely on Unimech Aerospace IPO GMP will prove risky.