RKLB vs SPY: which was the better investment?
Rocket Lab Corporation against SPDR S&P 500 ETF Trust on real daily total-return data — every dividend reinvested, from Nov 24, 2020 to Jul 15, 2026.
Set up your comparison
What are you comparing?
Pick one investment — or add several to build a portfolio.
Compare against
The benchmark your investment has to beat.
Time & money
When the money goes in, and how much.
Leave empty for earliest
Leave empty for today
0 for a one-time investment
Daily total-return data — dividends reinvested. Monthly additions buy on the first trading day.
Track your entire portfolio in one free Google Sheet
Enter your trades once and values update automatically. We'll send it straight to your inbox.
Related comparisons
Browse all match-ups on the comparison hub, build your own in the Compare Investments tool, or check a single asset's exact-date returns with the Investment Calculator.
Frequently asked questions
Did RKLB beat SPY?
Yes — measured from Nov 24, 2020 to Jul 15, 2026 with dividends reinvested, RKLB came out ahead: $81,086 versus $22,470 from a $10,000 start. That gap compounds from a 45.0% annual return against 15.4%.
What would $10,000 in RKLB be worth today?
$10,000 invested in Rocket Lab Corporation (RKLB) on Nov 24, 2020 would be worth about $81,086 as of Jul 15, 2026, a total return of 710.9% (45.0% per year). The same $10,000 in SPY would be worth $22,470.
Which was riskier — RKLB or SPY?
RKLB swung with an annualized volatility of 78.9% and a worst peak-to-trough drop of -83.0%; SPY ran at 16.7% volatility with a -24.5% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.54 for RKLB vs 0.80 for SPY.
What data is this comparison based on?
Daily adjusted closing prices covering Nov 24, 2020 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 RKLB 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.