Is Spread Betting Similar to Futures Trading?

William M asked:


I want to know in your opinion in what ways you think that spread betting is similar to futures trading, and which one would be best recommended for someone who lives in the UK to trade stock market indices, commodities and shares?
Nick B asked:


an anyone tell me how companies trade energy? is it like stock? or do they actually move the commodity when they trade it? specifics please. Thanks.