"It is fundamentally right that Porsche AG becomes more independent - but this is not an independent set-up."
Shares in Porsche SE (PSHG_p.DE), Volkswagen's largest shareholder which will take a big stake in Porsche AG, were 2.42% higher, topping Germany's DAX blue-chip index (.GDAXI).
read moreVolkswagen said on Sunday it would price preferred shares in the flotation of Porsche AG at 76.50-82.50 euros per share.
Analysts have compared Porsche AG stock to Ferrari (RACE.MI), which has a market capitalisation of 38 billion euros but an operating margin of 24% to Porsche's 17-18%.
Total proceeds from the sale will be 18.1 billion to 19.5 billion euros.