$10,000 invested in the S&P 500 in 2015
$10,000 put into an S&P 500 index fund in January 2015 would be worth about $45,832 by Sep 2026, with dividends reinvested. That is 13.9% a year.
Real monthly S&P 500 data, updated monthly. How we calculate$10,000 put into the S&P 500 in Jan 2015 is now worth
S&P 500 came out on top, ahead of the runner-up, Gold at $35,260. Bonds finished last at $10,753. Just keeping up with prices needed $14,333, and 2 of 3 did better. It ends in Aug 2026, the latest month with data for Bonds.
Full results by asset
| Asset | Worth now | Per year | Total return | Worst drop |
|---|---|---|---|---|
| S&P 500 | $46,048 | 14.1% | 360% | −19% (Oct 2022) |
| Gold | $35,260 | 11.5% | 253% | −19% (Jul 2026) |
| Bonds | $10,753 | 0.6% | 8% | −25% (Oct 2023) |
What each line measures: S&P 500, S&P 500 monthly average level with dividends reinvested (an index fund, before its small fee); Gold, gold monthly average price in US dollars per ounce; Bonds, total return of 10-year US Treasury bonds (interest plus price changes), modelled from the monthly 10-year yield. Inflation uses the US Consumer Price Index. Monthly averages, data through Aug 2026; no fees or taxes. Past returns do not predict future returns.
The result
Over 12 years the money doubled about 2.2 times. Without reinvesting dividends it would be $37,814: dividends account for 17% of the final value.
Inflation matters over this long. $10,000 in 2015 had the buying power of about $14,333 today, so the real gain is $45,832 against $14,333: still 3.2× the buying power, or 10.5% a year above inflation.
It was not a smooth ride. The value fell 19% from a high around Oct 2022, during the 2022 inflation sell-off. Holding through it was the price of the final number.
The same $10,000 in other assets from January 2015: 10-year Treasury bonds: $10,753; gold: $34,524. Compare more assets.
| After | Year | Worth |
|---|---|---|
| 5 years | 2020 | $17,843 |
| 10 years | 2025 | $35,121 |
| Now | Sep 2026 | $45,832 |
Value over time, with dividends reinvested. No fees or taxes.
Try other amounts and years
Common questions
How much would $10,000 invested in the S&P 500 in 2015 be worth today?
About $45,832 as of Sep 2026, with dividends reinvested and no fees or taxes. Without dividends, about $37,814.
What was the average yearly return since 2015?
13.9% a year before inflation and 10.5% after inflation.
How much is $10,000 from 2015 in today's money?
About $14,333, based on US consumer prices (CPI). See inflation since 2015.
Is a lump sum better than investing monthly?
Historically a lump sum came out ahead about two-thirds of the time, because markets rise more often than they fall. Spreading it out reduces regret if a crash comes right after. Test both with the lump sum vs DCA calculator.
Based on the S&P 500 monthly average level with dividends reinvested (an index fund before its small fee). Educational estimates, not investment advice. Past returns do not predict future returns.
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