Bank AA continues buying stock X and stock Y and selling stock zee via creation process and making a profit on each creation unit it processes so that now there are 500,000 shares of X and 1,000,000 shares of Y in the ETF called zee. Because so many shares of X and Y have been bought up from the market, their prices have risen to $10 and $20 per share, respectively. How many shares of zee are now in circulation in the market?