Vanguard versus Vanguard: VFIAX versus VOO

My prior post comparing Vanguard's S&P 500 fund to their ETF did not address a simple head-to-head comparison USING VANGUARD's OWN DATA. It also did not compare the VFIAX Admiral fund to the VOO which invests in the Admiral fund, or at least has the same 0.04% expense ratio.

Well here are the results:

VFIAX (NAV)
as of 9/30/2017

Returns
Quarter-end   4.48%
Year-to-date  14.20%

Average Annual Returns
1 year    18.57%
3 year    10.78%
5 year    14.18%
10 year    7.43%

Risk and volatility

Standard deviation
3 year     10.07%
5 year      9.55%
10 year   15.14%

VOO (Market Price)
as of 9/30/2017

Returns
Quarter-end   4.46%
Year-to-date  14.11%

Average Annual Returns
1 year    18.59%
3 year    10.75%
5 year    14.18%
10 year    -

Risk and volatility

Standard deviation
3 year     10.07%
5 year      9.55%
10 year   15.14%

The results are virtually the same. Which is a triumph of ETF minimal tracking error.

Investors can receive ETF benefits of custody (keeping your money at one broker, if you want-a questionable benefit at best) and market hours trading (also questionable especially with index funds) without giving up return.

Disclaimer: The above is not investment advice, is for information purposes only, may be subject to change without notice, and, while prepared with care, may be subject to omissions and errors.