Extra Space Storage (NYSE:EXR) has outperformed the market over the past 10 years by 1.98% on an annualized basis producing an average annual return of 12.82%. Currently, Extra Space Storage has a market capitalization of $37.78 billion. Buying $1000 In EXR: If an investor had bought $1000 of EXR stock 10 years ago, it would be worth $3,340.45 today based on a price of $178.28 for EXR at the time of writing. Extra Space Storage’s Performance Over Last 10 YearsFinally — what’s the point of all this? The key insight to take from this article is to note how much of a difference compounded return…