Investor owns 1,000,000 shares of stock of Corp. XYZ with a zero basis and a FMV of 100,000,000 that the investor has held for 20 years. The investor sells 1,000,000 shares of XYZ short for $100,000,000 in February, 2015. On January 29, 2016 the investor purchases 1,000,000 shares with normal settlement for $120,000,000 and instructs the broker to deliver those shares to close the short sale. What are the tax consequences in 2015 and 2016?