EMR vs. RKLB: A Head-to-Head Stock Comparison

Updated on October 5, 2025

Here’s a clear look at EMR and RKLB, comparing key factors like historical performance, profitability, financial strength, growth, dividend, and valuation.

Company Profile

Symbol	EMR	RKLB
Company Name	Emerson Electric Co.	Rocket Lab Corporation
Country	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry	Electrical Equipment	Aerospace & Defense
Market Capitalization	75.84 billion USD	27.18 billion USD
Exchange	NYSE	NasdaqCM
Listing Date	June 1, 1972	November 24, 2020
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of EMR and RKLB by tracking the growth of an initial $10,000 investment in each. Use the tabs to select the desired time period. Data is adjusted for dividends and splits.

EMR vs. RKLB: Growth of a $10,000 investment over the past one year.

Historical Performance at a Glance

Symbol	EMR	RKLB
5-Day Price Return	4.26%	19.46%
13-Week Price Return	-3.58%	57.49%
26-Week Price Return	22.91%	214.09%
52-Week Price Return	21.99%	478.37%
Month-to-Date Return	2.73%	17.22%
Year-to-Date Return	8.74%	120.49%
10-Day Avg. Volume	3.17M	25.87M
3-Month Avg. Volume	3.14M	23.39M
3-Month Volatility	23.39%	76.06%
Beta	1.25	2.17

Profitability

Return on Equity (TTM)

EMR

13.06%

Electrical Equipment Industry

Max: 35.67%
Q3: 23.64%
Median: 11.74%
Q1: 6.08%
Min: -4.39%

EMR’s Return on Equity of 13.06% is on par with the norm for the Electrical Equipment industry, indicating its profitability relative to shareholder equity is typical for the sector.

RKLB

-48.14%

Aerospace & Defense Industry

Max: 37.11%
Q3: 20.14%
Median: 11.72%
Q1: 6.30%
Min: -6.24%

RKLB has a negative Return on Equity of -48.14%. This indicates the company is generating a loss for its shareholders, which can be a result of unprofitability or negative shareholder equity and is often a sign of financial distress.

EMR vs. RKLB: A comparison of their Return on Equity (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Net Profit Margin (TTM)

EMR

14.92%

Electrical Equipment Industry

Max: 20.60%
Q3: 10.26%
Median: 5.83%
Q1: 2.92%
Min: -0.75%

A Net Profit Margin of 14.92% places EMR in the upper quartile for the Electrical Equipment industry, signifying strong profitability and more effective cost management than most of its peers.

RKLB

-45.87%

Aerospace & Defense Industry

Max: 13.66%
Q3: 8.61%
Median: 6.59%
Q1: 4.92%
Min: 1.01%

RKLB has a negative Net Profit Margin of -45.87%, indicating the company is operating at a net loss as its expenses exceeded its revenues.

EMR vs. RKLB: A comparison of their Net Profit Margin (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Operating Profit Margin (TTM)

EMR

17.42%

Electrical Equipment Industry

Max: 26.24%
Q3: 14.53%
Median: 7.97%
Q1: 3.45%
Min: -5.64%

An Operating Profit Margin of 17.42% places EMR in the upper quartile for the Electrical Equipment industry. This signals a strong ability to translate revenue into operating profit, outperforming most of its competitors in core business efficiency.

RKLB

-44.08%

Aerospace & Defense Industry

Max: 22.35%
Q3: 12.83%
Median: 9.29%
Q1: 6.38%
Min: -2.15%

RKLB has a negative Operating Profit Margin of -44.08%. This signifies the company is unprofitable at the operational level, as its core business expenses exceed its revenue.

EMR vs. RKLB: A comparison of their Operating Profit Margin (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Profitability at a Glance

Symbol	EMR	RKLB
Return on Equity (TTM)	13.06%	-48.14%
Return on Assets (TTM)	6.19%	-17.98%
Net Profit Margin (TTM)	14.92%	-45.87%
Operating Profit Margin (TTM)	17.42%	-44.08%
Gross Profit Margin (TTM)	52.70%	29.04%

Financial Strength

Current Ratio (MRQ)

EMR

0.85

Electrical Equipment Industry

Max: 3.31
Q3: 2.09
Median: 1.48
Q1: 1.09
Min: 0.85

EMR’s Current Ratio of 0.85 falls into the lower quartile for the Electrical Equipment industry. This indicates a tighter liquidity situation and a more constrained capacity to handle short-term debt than many of its competitors.

RKLB

2.67

Aerospace & Defense Industry

Max: 3.35
Q3: 2.03
Median: 1.24
Q1: 1.04
Min: 0.77

RKLB’s Current Ratio of 2.67 is in the upper quartile for the Aerospace & Defense industry. This signifies a strong liquidity position, suggesting the company is well-equipped to cover its immediate liabilities compared to its peers.

EMR vs. RKLB: A comparison of their Current Ratio (MRQ) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Debt-to-Equity Ratio (MRQ)

EMR

0.72

Electrical Equipment Industry

Max: 1.57
Q3: 0.96
Median: 0.57
Q1: 0.30
Min: 0.00

EMR’s Debt-to-Equity Ratio of 0.72 is typical for the Electrical Equipment industry, indicating its use of leverage is in line with the sector norm. This suggests a balanced approach to its capital structure.

RKLB

0.63

Aerospace & Defense Industry

Max: 1.72
Q3: 0.96
Median: 0.63
Q1: 0.37
Min: 0.03

RKLB’s Debt-to-Equity Ratio of 0.63 is typical for the Aerospace & Defense industry, indicating its use of leverage is in line with the sector norm. This suggests a balanced approach to its capital structure.

EMR vs. RKLB: A comparison of their Debt-to-Equity Ratio (MRQ) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Interest Coverage Ratio (TTM)

EMR

18.57

Electrical Equipment Industry

Max: 44.15
Q3: 19.29
Median: 9.38
Q1: 0.98
Min: -19.47

EMR’s Interest Coverage Ratio of 18.57 is positioned comfortably within the norm for the Electrical Equipment industry, indicating a standard and healthy capacity to cover its interest payments.

RKLB

-45.87

Aerospace & Defense Industry

Max: 36.57
Q3: 19.08
Median: 7.25
Q1: 2.65
Min: -7.63

RKLB has a negative Interest Coverage Ratio of -45.87. This indicates that its earnings were insufficient to cover even its operational costs, let alone its interest payments, signaling significant financial distress.

EMR vs. RKLB: A comparison of their Interest Coverage Ratio (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Financial Strength at a Glance

Symbol	EMR	RKLB
Current Ratio (MRQ)	0.85	2.67
Quick Ratio (MRQ)	0.63	2.21
Debt-to-Equity Ratio (MRQ)	0.72	0.63
Interest Coverage Ratio (TTM)	18.57	-45.87

Growth

Revenue Growth

EMR vs. RKLB: A side-by-side comparison of their Revenue Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

EPS Growth

EMR vs. RKLB: A side-by-side comparison of their EPS Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

Dividend

Dividend Yield (TTM)

EMR

1.58%

Electrical Equipment Industry

Max: 3.04%
Q3: 1.58%
Median: 1.00%
Q1: 0.00%
Min: 0.00%

With a Dividend Yield of 1.58%, EMR offers a more attractive income stream than most of its peers in the Electrical Equipment industry, signaling a strong commitment to shareholder returns.

RKLB

0.00%

Aerospace & Defense Industry

Max: 2.72%
Q3: 1.45%
Median: 0.48%
Q1: 0.08%
Min: 0.00%

RKLB currently does not pay a dividend, resulting in a yield of 0%. This is a common strategy for growth-focused companies that prioritize reinvesting earnings, though it may be less typical in mature, income-oriented sectors.

EMR vs. RKLB: A comparison of their Dividend Yield (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Dividend Payout Ratio (TTM)

EMR

45.06%

Electrical Equipment Industry

Max: 165.68%
Q3: 71.84%
Median: 38.15%
Q1: 0.00%
Min: 0.00%

EMR’s Dividend Payout Ratio of 45.06% is within the typical range for the Electrical Equipment industry, suggesting a balanced approach between shareholder payouts and company reinvestment.

RKLB

0.00%

Aerospace & Defense Industry

Max: 110.40%
Q3: 50.43%
Median: 17.11%
Q1: 0.46%
Min: 0.00%

RKLB has a Dividend Payout Ratio of 0%, indicating it does not currently pay a dividend. This is a common strategy for growth-oriented companies that reinvest all profits back into the business.

EMR vs. RKLB: A comparison of their Dividend Payout Ratio (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Dividend at a Glance

Symbol	EMR	RKLB
Dividend Yield (TTM)	1.58%	0.00%
Dividend Payout Ratio (TTM)	45.06%	0.00%

Valuation

Price-to-Earnings Ratio (TTM)

EMR

28.46

Electrical Equipment Industry

Max: 65.02
Q3: 38.99
Median: 27.41
Q1: 19.88
Min: 8.37

EMR’s P/E Ratio of 28.46 is within the middle range for the Electrical Equipment industry. This suggests its valuation is in line with the sector average, representing neither a significant premium nor a discount compared to its peers.

RKLB

Aerospace & Defense Industry

Max: 67.20
Q3: 55.74
Median: 33.28
Q1: 27.49
Min: 15.02

P/E Ratio data for RKLB is currently unavailable.

EMR vs. RKLB: A comparison of their Price-to-Earnings Ratio (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Price-to-Sales Ratio (TTM)

EMR

4.25

Electrical Equipment Industry

Max: 7.01
Q3: 4.03
Median: 1.79
Q1: 1.10
Min: 0.47

EMR’s P/S Ratio of 4.25 is in the upper echelon for the Electrical Equipment industry. This means the company is valued richly on its revenue stream compared to its peers, suggesting the stock is priced for a high level of future performance.

RKLB

53.90

Aerospace & Defense Industry

Max: 9.06
Q3: 4.87
Median: 2.47
Q1: 1.61
Min: 0.33

With a P/S Ratio of 53.90, RKLB trades at a valuation that eclipses even the highest in the Aerospace & Defense industry. This implies the market has priced in exceptionally optimistic scenarios for future revenue growth, posing considerable valuation risk.

EMR vs. RKLB: A comparison of their Price-to-Sales Ratio (TTM) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Price-to-Book Ratio (MRQ)

EMR

3.77

Electrical Equipment Industry

Max: 10.97
Q3: 5.57
Median: 3.50
Q1: 1.66
Min: 0.64

EMR’s P/B Ratio of 3.77 is within the conventional range for the Electrical Equipment industry. This shows a balanced market view, where the stock’s price is neither at a significant premium nor a discount to the book value of its peers.

RKLB

23.97

Aerospace & Defense Industry

Max: 14.90
Q3: 8.93
Median: 4.70
Q1: 3.03
Min: 0.83

At 23.97, RKLB’s P/B Ratio is at an extreme premium to the Aerospace & Defense industry. This signifies that the market’s valuation is heavily reliant on future potential rather than its current net asset value, which can be a high-risk proposition.

EMR vs. RKLB: A comparison of their Price-to-Book Ratio (MRQ) against their respective Electrical Equipment and Aerospace & Defense industry benchmarks.

Valuation at a Glance

Symbol	EMR	RKLB
Price-to-Earnings Ratio (TTM)	28.46	--
Price-to-Sales Ratio (TTM)	4.25	53.90
Price-to-Book Ratio (MRQ)	3.77	23.97
Price-to-Free Cash Flow Ratio (TTM)	27.54	--