It's interesting that the 20y compound return are pretty close. I don't understa...

		robnagler on Jan 17, 2019 \| parent \| context \| favorite \| on: John C. Bogle Has Died It's interesting that the 20y compound return are pretty close. I don't understand the STDev value in the tables, and it is not explained. Is that the the standard deviation of the annual returns?