The allotment of SFC Environmental Technologies' initial public offering (IPO) is expected to be finalised on October 30, following a 9.47 times subscription to the Rs 667.53-crore issue. Investors can check their allotment status through the registrar, MUFG Intime India, or the stock exchanges once the basis of allotment is published. The IPO received bids for 13,41,12,240 shares against 1,41,59,744 shares on offer by the close of bidding on October 29, according to NSE data.