Progressive (NYSE:PGR) has outperformed the market over the past 10 years by 15.08% on an annualized basis producing an average annual return of 25.59%. Currently, Progressive has a market capitalization of $144.16 billion. Buying $1000 In PGR: If an investor had bought $1000 of PGR stock 10 years ago, it would be worth $9,779.50 today based on a price of $246.09 for PGR at the time of writing. Progressive’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 returns can make in your cas…