You would have purchased 0.438596 index units at ~$1,140 each.
Snapshot as of 2026-03-01. For live results, use the calculator.
If you had invested $500 in S&P 500 in 2010, when the price was approximately $1,140, you would have purchased 0.438596 index units. At today's price of approximately $5,600, that investment would be worth $2,456 — a 391.2% return over 16 years.