在2004年10月，Hedgestreet.com开始提供针对美国城市不动产价格的“hedgelets ” — 一种当基于“OFHEO房价指数”的房价增长率达到某一既定幅度时就会赔付的合同。
In October 2004, Hedgestreet.com began offering “hedgelets” on real estate prices in US cities – contracts that pay out if the rate of increase in home prices based on the OFHEO Home Price Index falls within a pre-specified range.