Growth of $10,000 in MDY
State Street® SPDR® S&P MIDCAP 400® ETF Trust · State Street (SPDR)
A $10,000 investment compounding at MDY’s trailing 10-year annualized total return of 10.9% would reach $79,756 in 20 years. The table shows every combination of averaging period and horizon; returns include dividends and are net of the fund's 0.23% expense ratio. Past performance does not predict future results.
Projection table
| Horizon | At 3-year avg (14.2%) | At 5-year avg (8.8%) | At 10-year avg (10.9%) |
|---|---|---|---|
| 5 years | $19,441 | $15,218 | $16,805 |
| 10 years | $37,794 | $23,158 | $28,241 |
| 15 years | $73,474 | $35,240 | $47,459 |
| 20 years | $142,838 | $53,627 | $79,756 |
| 25 years | $277,686 | $81,607 | $134,031 |
| 30 years | $539,840 | $124,187 | $225,240 |
Annualized total returns as of Aug 7, 2026, dividends reinvested. A constant rate is an illustration of compounding — real markets are far bumpier.
Want a different amount, horizon or a side-by-side fund comparison? Open MDY in the interactive calculator →
Frequently Asked Questions
What would $10,000 in MDY be worth in 10 years?
Compounding at its trailing 10-year annualized return of 10.9%, $10,000 in MDY would grow to about $28,241 in 10 years and $79,756 in 20 years. Real returns arrive unevenly, so treat this as an illustration of compounding, not a forecast.
What is MDY's average annual return?
As of Aug 7, 2026, MDY's annualized total returns were 14.2% over 3 years, 8.8% over 5 years, 10.9% over 10 years — dividends reinvested, net of its 0.23% expense ratio.