RKLB vs. VOO
RKLB (Rocket Lab USA, Inc.) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 3 years, RKLB returned 158.32%/yr vs 20.95%/yr for VOO. At a 0.49 correlation, their price movements are largely independent.
Performance
RKLB vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, RKLB achieves a 46.77% return, which is significantly higher than VOO's 9.08% return.
RKLB
- 1D
- -10.79%
- 1M
- -17.53%
- YTD
- 46.77%
- 6M
- 66.51%
- 1Y
- 287.84%
- 3Y*
- 158.32%
- 5Y*
- —
- 10Y*
- —
VOO
- 1D
- 0.55%
- 1M
- -0.07%
- YTD
- 9.08%
- 6M
- 9.44%
- 1Y
- 24.36%
- 3Y*
- 20.95%
- 5Y*
- 13.43%
- 10Y*
- 15.50%
RKLB vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
RKLB Rocket Lab USA, Inc. | 46.77% | 173.89% | 360.58% | 46.68% | -69.30% | 8.67% |
VOO Vanguard S&P 500 ETF | 9.08% | 17.82% | 24.98% | 26.32% | -18.17% | 6.90% |
Correlation
The correlation between RKLB and VOO is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.43 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.47 |
Correlation (All Time) Calculated using the full available price history since Aug 24, 2021 | 0.49 |
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Return for Risk
RKLB vs. VOO — Risk / Return Rank
RKLB
VOO
RKLB vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rocket Lab USA, Inc. (RKLB) and Vanguard S&P 500 ETF (VOO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| RKLB | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.13 | ||
| Sortino ratioReturn per unit of downside risk | +0.44 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.36 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 6.74 | 2.75 | +3.99 |
| Martin ratioReturn relative to average drawdown | 15.44 | 12.42 | +3.01 |
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Drawdowns
RKLB vs. VOO - Drawdown Comparison
The maximum RKLB drawdown since its inception was -82.96%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for RKLB and VOO.
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Drawdown Indicators
| RKLB | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.96% | -33.99% | -48.97% |
Max Drawdown (1Y)Largest decline over 1 year | -43.01% | -8.90% | -34.11% |
Max Drawdown (3Y)Largest decline over 3 years | -55.49% | -18.69% | -36.80% |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.52% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.99% | — |
Current DrawdownCurrent decline from peak | -31.84% | -2.34% | -29.50% |
Average DrawdownAverage peak-to-trough decline | -51.29% | -3.68% | -47.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.75% | 1.97% | +16.78% |
Volatility
RKLB vs. VOO - Volatility Comparison
Rocket Lab USA, Inc. (RKLB) has a higher volatility of 31.54% compared to Vanguard S&P 500 ETF (VOO) at 4.34%. This indicates that RKLB's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RKLB | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 31.54% | 4.34% | +27.20% |
Volatility (6M)Calculated over the trailing 6-month period | 73.47% | 9.58% | +63.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 93.03% | 12.27% | +80.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 81.62% | 16.88% | +64.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 81.62% | 18.03% | +63.59% |
Dividends
RKLB vs. VOO - Dividend Comparison
RKLB has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.05%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RKLB Rocket Lab USA, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.05% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Frequently Asked Questions
RKLB and VOO have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RKLB has higher volatility (31.54%) compared to VOO (4.34%). In terms of maximum drawdown, RKLB dropped -82.96% vs VOO's -33.99%.
RKLB currently has the higher Sharpe Ratio (3.12 vs 1.99), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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