Over the last four quarters, the company has surpassed consensus FFO estimates two times. What's Next for Extra Space Storage? This quarterly report represents an FFO surprise of 3%. A quarter ago, it was expected that this self-storage facility real estate investment trust would post FFO of $1.95 per share when it actually produced FFO of $1.96, delivering a surprise of 0.51%. The sustainability of the stock's immediate price movement based on the recently-released numbers and future FFO expectations will ...