You would have purchased 0.048544 index units at ~$2,060 each.
Snapshot as of 2026-03-01. For live results, use the calculator.
If you had invested $100 in S&P 500 in 2015, when the price was approximately $2,060, you would have purchased 0.048544 index units. At today's price of approximately $5,600, that investment would be worth $272 — a 171.9% return over 11 years.