STT vs SPY: which was the better investment?
State Street Corporation against SPDR S&P 500 ETF Trust on real daily total-return data — every dividend reinvested, from Jan 29, 1993 to Jul 13, 2026.
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Frequently asked questions
Did STT beat SPY?
No — measured from Jan 29, 1993 to Jul 13, 2026 with dividends reinvested, SPY came out ahead: $310,688 versus $288,627 from a $10,000 start. That gap compounds from a 10.8% annual return against 10.6%.
What would $10,000 in STT be worth today?
$10,000 invested in State Street Corporation (STT) on Jan 29, 1993 would be worth about $288,627 as of Jul 13, 2026, a total return of 2786.3% (10.6% per year). The same $10,000 in SPY would be worth $310,688.
Which was riskier — STT or SPY?
STT swung with an annualized volatility of 38.7% and a worst peak-to-trough drop of -82.3%; SPY ran at 18.6% volatility with a -55.2% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.22 for STT vs 0.47 for SPY.
What data is this comparison based on?
Daily adjusted closing prices covering Jan 29, 1993 through Jul 13, 2026 — the full period where both assets have price history. Adjusted prices include dividends and splits, so these are total returns. The page refreshes with new market data every day.
Can I change the dates, amounts, or add monthly investing?
Yes — the interactive tool on this page is pre-loaded with STT vs SPY. You can set any start and end date, change the starting amount, add monthly contributions, or build a multi-asset portfolio and compare it against any benchmark.