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SPLG vs SPY: Performance & Backtest Comparison
SPY delivered the higher return - 14.09% CAGR vs 13.96% - over 2011-02-28 → 2025-10-31.
Growth comparison
Drawdown
Annual returns
| SPLG | SPY | |
|---|---|---|
| Name | SPDR Portfolio S&P 500 ETF | State Street SPDR S&P 500 ETF Trust |
| CAGR | 13.96% | 14.09% |
| Total return | 586.87% | 663.24% |
| Volatility | 14.02% | 14.18% |
| Max drawdown | -23.90%Sep 2022 | -23.93%Sep 2022 |
| Sharpe | 0.91 | 0.90 |
| Sortino | 1.31 | 1.32 |
| Best year | 33.17% | 32.31% |
| Worst year | -18.10% | -18.17% |
| Final balance | $68,687 | $76,324 |
Correlation of monthly returns: 0.99. Wondering if you need both? Check their fund overlap →
All figures are total returns: every dividend and distribution is reinvested on its ex-date, and prices are split-adjusted. See the methodology.
Frequently asked questions
Which has performed better, SPLG or SPY?
Over 2011-02-28 to 2025-10-31, SPY performed better: 14.09% annualized versus 13.96% for SPLG, with dividends reinvested. Past performance does not guarantee future results.
How similar are SPLG and SPY?
Their monthly returns have a correlation of 0.99 over the common period. SPLG is SPDR Portfolio S&P 500 ETF; SPY is State Street SPDR S&P 500 ETF Trust.
Which is riskier, SPLG or SPY?
Over the common period SPLG had 14.02% annualized volatility and a -23.90% max drawdown, versus 14.18% and -23.93% for SPY.