}) standard deviation? Kyle Parker It's essentially a measure of risk and the typical range we can expect to see the price fluctuate up or down. Say that VFIAX is trading at $50 at the beginning of the year. What is the range in which it will most likely finish the year? $38.86 $61.14 $32.72 $67.28 $40.40 $59.60 $41.36 $58.64 Submit VFIAX VSMAX VBTLX Ticker Description S&P 500 Fund Small Cap Fund US Bond Fund 50% 30% 20% Allocation Historic Return 13.28% 11.28% 3.28% Expense Ratio 0.04% 0.05% 0.05% Standard Deviation 17.3% 22.3% 3.3%