MPC vs SPY: which was the better investment?
Marathon Petroleum Corporation against SPDR S&P 500 ETF Trust on real daily total-return data — every dividend reinvested, from Jun 24, 2011 to Jul 15, 2026.
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Frequently asked questions
Did MPC beat SPY?
Yes — measured from Jun 24, 2011 to Jul 15, 2026 with dividends reinvested, MPC came out ahead: $246,475 versus $77,499 from a $10,000 start. That gap compounds from a 23.7% annual return against 14.6%.
What would $10,000 in MPC be worth today?
$10,000 invested in Marathon Petroleum Corporation (MPC) on Jun 24, 2011 would be worth about $246,475 as of Jul 15, 2026, a total return of 2364.7% (23.7% per year). The same $10,000 in SPY would be worth $77,499.
Which was riskier — MPC or SPY?
MPC swung with an annualized volatility of 39.2% and a worst peak-to-trough drop of -79.7%; SPY ran at 17.2% volatility with a -33.7% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.55 for MPC vs 0.73 for SPY.
What data is this comparison based on?
Daily adjusted closing prices covering Jun 24, 2011 through Jul 15, 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 MPC 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.