NEW YORK ( TheStreet) -- YPF Sociedad Anonima (NYSE: YPF) is trading at unusually high volume Thursday with 2.1 million shares changing hands. It is currently at four times its average daily volume and trading up $1.84 (+6.8%) at $28.99 as of 12:25 p.m. ET. YPF Sociedad Anonima has a market cap of $15.89 billion and is part of the basic materials sector and energy industry. Shares are down 21.7% year to date as of the close of trading on Wednesday. YPF SOCIEDAD ANONIMA, an energy company, engages in the exploration, development, and production of crude oil, natural gas, and liquefied petroleum gas (LPG) in Argentina. The company has a P/E ratio of 7.4, below the average energy industry P/E ratio of 36.3 and below the S&P 500 P/E ratio of 17.7. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.