SPR vs. RKLB

Last updated Jun 26, 2026

SPR (Spirit AeroSystems Holdings, Inc.) and RKLB (Rocket Lab USA, Inc.) are both stocks. Both operate in the Aerospace & Defense industry within the Industrials sector. At a 0.27 correlation, their price movements are largely independent.

Performance

SPR vs. RKLB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Spirit AeroSystems Holdings, Inc. (SPR) and Rocket Lab USA, Inc. (RKLB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPR

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

RKLB

• 1D: -5.53%
• 1M: -43.65%
• YTD: 15.67%
• 6M: 4.55%
• 1Y: 149.43%
• 3Y*: 146.76%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

SPR vs. RKLB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SPR Spirit AeroSystems Holdings, Inc.	0.00%	15.90%	7.24%	7.36%	-31.24%	8.73%
RKLB Rocket Lab USA, Inc.	15.67%	173.89%	360.58%	46.68%	-69.30%	8.67%

Correlation

The correlation between SPR and RKLB is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (All Time) Calculated using the full available price history since Aug 24, 2021	0.27

The correlation between SPR and RKLB shifts across timeframes, from 0.13 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SPR : $4.65B RKLB : $48.85B
EPS SPR : -$22.09 RKLB : -$0.33
PS Ratio SPR : 0.73 RKLB : 65.95
Total Revenue (TTM) SPR : $6.39B RKLB : $679.58M
Gross Profit (TTM) SPR : -$1.77B RKLB : $248.43M
EBITDA (TTM) SPR : -$1.93B RKLB : -$177.36M

Return for Risk

SPR vs. RKLB — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SPR

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

RKLB

RKLB Risk / Return Rank: 83
RKLB Sharpe Ratio Rank: 85
RKLB Sortino Ratio Rank: 82
RKLB Omega Ratio Rank: 79
RKLB Calmar Ratio Rank: 86
RKLB Martin Ratio Rank: 85

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SPR vs. RKLB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Spirit AeroSystems Holdings, Inc. (SPR) and Rocket Lab USA, Inc. (RKLB). 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.

	SPR	RKLB	Difference
Sharpe ratio: Return per unit of total volatility	—	1.61	—
Sortino ratio: Return per unit of downside risk	—	2.29	—
Omega ratio: Gain probability vs. loss probability	—	1.27	—
Calmar ratio: Return relative to maximum drawdown	—	3.25	—
Martin ratio: Return relative to average drawdown	—	7.60	—

Drawdowns

Drawdown Indicators

	SPR	RKLB	Difference
Max Drawdown Largest peak-to-trough decline	—	-82.96%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-46.29%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-55.49%	—
Current Drawdown Current decline from peak	—	-46.29%	—
Average Drawdown Average peak-to-trough decline	—	-51.17%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	19.75%	—

Volatility

Volatility by Period

	SPR	RKLB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	29.38%	—
Volatility (6M) Calculated over the trailing 6-month period	—	70.86%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	93.59%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	81.72%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	81.72%	—

Dividends

SPR vs. RKLB - Dividend Comparison

Neither SPR nor RKLB has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
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%
SPR Spirit AeroSystems Holdings, Inc.	0.00%	0.00%	0.00%	0.00%	0.10%	0.09%	0.10%	0.49%	0.64%	0.46%	0.17%

Financials

SPR vs. RKLB - Profitability Comparison

The chart below illustrates the profitability comparison between Spirit AeroSystems Holdings, Inc. and Rocket Lab USA, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SPR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Spirit AeroSystems Holdings, Inc. reported a gross profit of -619.60M and revenue of 1.59B. Therefore, the gross margin over that period was -39.1%.

RKLB - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a gross profit of 76.49M and revenue of 200.35M. Therefore, the gross margin over that period was 38.2%.

SPR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Spirit AeroSystems Holdings, Inc. reported an operating income of -669.40M and revenue of 1.59B, resulting in an operating margin of -42.2%.

RKLB - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported an operating income of -55.97M and revenue of 200.35M, resulting in an operating margin of -27.9%.

SPR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Spirit AeroSystems Holdings, Inc. reported a net income of -724.30M and revenue of 1.59B, resulting in a net margin of -45.7%.

RKLB - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a net income of -45.02M and revenue of 200.35M, resulting in a net margin of -22.5%.

Frequently Asked Questions

Can I hold both SPR and RKLB in my portfolio?

SPR and RKLB have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.