The Hollywood Stock Exchange (HSX) is an online prediction market in which "investors" bet on the performance of various components of the entertainment industry. The bets are made using credits called Moviestocks, Starbonds, Celebstocks, TVStocks, Movie Funds, and various derivatives. Trades are made in "Hollywood dollars," which players receive when they open an account, make successful trades, and participate in the website's quizzes. Each "investment" has a ticker-like symbol: For example, the symbol for the movie Iron Man 3 is IRNM3