VOO's expense ratio is 0.03%; SPY's is 0.0945%. Expense ratios are fees charged annually as a percentage of your total investment value, and although many differences seem ignorable on paper, they ...

SPY SPDR S&P 500. $629.06 0.24 % A novice investor claims he made over $200,000 in just one week trading options, saying the experience has made it hard to return to everyday life.

There's another S&P 500 ETF I prefer. Despite all the great things about SPY, my personal preference is the Vanguard S&P 500 ETF (VOO 0.12%)-- and it comes down to its expense ratio compared to ...