) are higher on the session by 1.17%, trading at $7.78. Overall call volume is now running at 9.25x the daily average, with 15% of all calls traded being purchases on the offer. 3,794 contracts have traded on the session so far. Giant Interactive Group Inc. is an online game developer and operator in China. The company focuses on massively multiplayer online games that are played through networked game servers, in which a number of players are able to simultaneously connect and interact.