Whereas a stock exchange can poach trade from rivals, futures markets have ownership rights over many of the contracts that trade there, thanks to licensing agreements with the owners of the underlying indices, such as the S &P 500 and the NASDAQ 100.

• 尽管股票交易所可以从对手那里偷来业务，但根据诸如标普500或者纳斯达克100指数所有者订立的许可协议，期货交易所仍然对许多指数和约拥有所有权。