United Therapeutics Target of Unusually High Options Trading (NASDAQ:UTHR)

United Therapeutics Corporation (NASDAQ: UTHR - Get Free Report) was the target of unusually large options trading activity on Friday. Stock investors bought 15,930 call options on the company. This represents an increase of 665% compared to the average volume of 2,083 call options. United Therapeutics Stock Performance United Therapeutics stock opened at $588.38 on Friday.