IBKR vs SPY: which was the better investment?
Interactive Brokers Group, Inc. against SPDR S&P 500 ETF Trust on real daily total-return data — every dividend reinvested, from May 4, 2007 to Jul 13, 2026.
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Frequently asked questions
Did IBKR beat SPY?
Yes — measured from May 4, 2007 to Jul 13, 2026 with dividends reinvested, IBKR came out ahead: $156,376 versus $70,698 from a $10,000 start. That gap compounds from a 15.4% annual return against 10.7%.
What would $10,000 in IBKR be worth today?
$10,000 invested in Interactive Brokers Group, Inc. (IBKR) on May 4, 2007 would be worth about $156,376 as of Jul 13, 2026, a total return of 1463.8% (15.4% per year). The same $10,000 in SPY would be worth $70,698.
Which was riskier — IBKR or SPY?
IBKR swung with an annualized volatility of 35.1% and a worst peak-to-trough drop of -63.7%; SPY ran at 19.7% volatility with a -55.2% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.38 for IBKR vs 0.44 for SPY.
What data is this comparison based on?
Daily adjusted closing prices covering May 4, 2007 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 IBKR 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.