Even the gov admits commodities trading and gambling are the same thing.
Via Free North Carolina:
“In English: the government says that many of the things Intrade allows people to predict – everything from what the price of gold will be in the future to whether the U.S. will go to war soon – are legally considered “commodity options,” and that Intrade broke the law because it isn’t licensed to trade those. The penalty is $140,000 per violation.”
Read more here.