http://www.cmegroup.com/trading/real-estate/files/spcaseshiller_fact_card.pdf http://www.cmegroup.com/trading/real-estate/files/spcaseshil... Beware. The liqui

http://www.cmegroup.com/trading/real-estate/files/spcaseshiller_fact_card.pdf http://www.cmegroup.com/trading/real-estate/files/spcaseshil... Beware. The liquidity of these markets is vastly lower than that of equities. Also remember Keynes: "The market can remain irrational longer than you can stay solvent" or in this case longer than the contract durations offered.