The listing of Porsche AG is expected to blast off as one of the blockbuster initial public offerings (IPO) in Europe. Experts are expecting that the IPO could value Porsche in the range of 60-85 billion euros (around $59.72-$84.6 billion), according to The Wall Street Journal. Looking at these figures, Porsche AG IPO could raise over 10.6 billion euros ($10.55 billion) if it hits the higher end of the estimated valuation range.