QBTS vs SPY: which was the better investment?
D-Wave Quantum Inc. against SPDR S&P 500 ETF Trust on real daily total-return data — every dividend reinvested, from Dec 11, 2020 to Jul 16, 2026.
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Frequently asked questions
Did QBTS beat SPY?
No — measured from Dec 11, 2020 to Jul 16, 2026 with dividends reinvested, SPY came out ahead: $22,255 versus $17,069 from a $10,000 start. That gap compounds from a 15.4% annual return against 10.0%.
What would $10,000 in QBTS be worth today?
$10,000 invested in D-Wave Quantum Inc. (QBTS) on Dec 11, 2020 would be worth about $17,069 as of Jul 16, 2026, a total return of 70.7% (10.0% per year). The same $10,000 in SPY would be worth $22,255.
Which was riskier — QBTS or SPY?
QBTS swung with an annualized volatility of 126.1% and a worst peak-to-trough drop of -96.7%; SPY ran at 16.8% volatility with a -24.5% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.06 for QBTS vs 0.80 for SPY.
What data is this comparison based on?
Daily adjusted closing prices covering Dec 11, 2020 through Jul 16, 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 QBTS 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.