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

Updated on August 19, 2025

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

Company Profile

Symbol	FIX	RKLB
Company Name	Comfort Systems USA, Inc.	Rocket Lab Corporation
Country	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry	Construction & Engineering	Aerospace & Defense
Market Capitalization	24.77 billion USD	20.61 billion USD
Exchange	NYSE	NasdaqCM
Listing Date	June 27, 1997	November 24, 2020
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of FIX 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.

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

Historical Performance at a Glance

Symbol	FIX	RKLB
5-Day Price Return	1.10%	-2.74%
13-Week Price Return	55.38%	102.26%
26-Week Price Return	49.46%	55.35%
52-Week Price Return	124.39%	697.77%
Month-to-Date Return	-0.17%	-6.36%
Year-to-Date Return	65.57%	68.83%
10-Day Avg. Volume	0.42M	18.12M
3-Month Avg. Volume	0.41M	20.90M
3-Month Volatility	50.80%	73.29%
Beta	1.59	2.19

Profitability

Return on Equity (TTM)

FIX

39.33%

Construction & Engineering Industry

Max: 29.61%
Q3: 17.18%
Median: 10.42%
Q1: 8.10%
Min: -0.10%

FIX’s Return on Equity of 39.33% is exceptionally high, placing it well beyond the typical range for the Construction & Engineering industry. This demonstrates a superior ability to generate profit from shareholder investments, though it could also be inflated by high financial leverage.

RKLB

-48.92%

Aerospace & Defense Industry

Max: 43.89%
Q3: 22.42%
Median: 12.50%
Q1: 5.21%
Min: -6.24%

RKLB has a negative Return on Equity of -48.92%. 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.

FIX vs. RKLB: A comparison of their Return on Equity (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Net Profit Margin (TTM)

FIX

9.01%

Construction & Engineering Industry

Max: 11.14%
Q3: 6.17%
Median: 3.85%
Q1: 2.40%
Min: -0.05%

A Net Profit Margin of 9.01% places FIX in the upper quartile for the Construction & Engineering industry, signifying strong profitability and more effective cost management than most of its peers.

RKLB

-44.32%

Aerospace & Defense Industry

Max: 14.54%
Q3: 8.08%
Median: 6.17%
Q1: 2.49%
Min: -1.63%

RKLB has a negative Net Profit Margin of -44.32%, indicating the company is operating at a net loss as its expenses exceeded its revenues.

FIX vs. RKLB: A comparison of their Net Profit Margin (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Operating Profit Margin (TTM)

FIX

12.21%

Construction & Engineering Industry

Max: 17.56%
Q3: 9.36%
Median: 5.46%
Q1: 3.47%
Min: -1.93%

An Operating Profit Margin of 12.21% places FIX in the upper quartile for the Construction & Engineering industry. This signals a strong ability to translate revenue into operating profit, outperforming most of its competitors in core business efficiency.

RKLB

-44.19%

Aerospace & Defense Industry

Max: 16.63%
Q3: 10.38%
Median: 8.29%
Q1: 6.21%
Min: 0.95%

RKLB has a negative Operating Profit Margin of -44.19%. This signifies the company is unprofitable at the operational level, as its core business expenses exceed its revenue.

FIX vs. RKLB: A comparison of their Operating Profit Margin (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Profitability at a Glance

Symbol	FIX	RKLB
Return on Equity (TTM)	39.33%	-48.92%
Return on Assets (TTM)	14.76%	-17.28%
Net Profit Margin (TTM)	9.01%	-44.32%
Operating Profit Margin (TTM)	12.21%	-44.19%
Gross Profit Margin (TTM)	22.50%	27.30%

Financial Strength

Current Ratio (MRQ)

FIX

1.13

Construction & Engineering Industry

Max: 1.98
Q3: 1.53
Median: 1.24
Q1: 1.05
Min: 0.66

FIX’s Current Ratio of 1.13 aligns with the median group of the Construction & Engineering industry, indicating that its short-term liquidity is in line with its sector peers.

RKLB

2.08

Aerospace & Defense Industry

Max: 3.09
Q3: 1.98
Median: 1.23
Q1: 1.03
Min: 0.02

RKLB’s Current Ratio of 2.08 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.

FIX vs. RKLB: A comparison of their Current Ratio (MRQ) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Debt-to-Equity Ratio (MRQ)

FIX

0.04

Construction & Engineering Industry

Max: 2.49
Q3: 1.19
Median: 0.63
Q1: 0.29
Min: 0.00

Falling into the lower quartile for the Construction & Engineering industry, FIX’s Debt-to-Equity Ratio of 0.04 points to a conservative financing strategy. This results in lower financial risk but potentially limits strategic investments compared to more leveraged competitors.

RKLB

1.02

Aerospace & Defense Industry

Max: 1.70
Q3: 1.04
Median: 0.68
Q1: 0.41
Min: 0.00

RKLB’s Debt-to-Equity Ratio of 1.02 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.

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

Interest Coverage Ratio (TTM)

FIX

9.10

Construction & Engineering Industry

Max: 23.59
Q3: 14.49
Median: 8.20
Q1: 5.26
Min: -6.49

FIX’s Interest Coverage Ratio of 9.10 is positioned comfortably within the norm for the Construction & Engineering industry, indicating a standard and healthy capacity to cover its interest payments.

RKLB

-45.87

Aerospace & Defense Industry

Max: 36.57
Q3: 19.90
Median: 7.04
Q1: 2.40
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.

FIX vs. RKLB: A comparison of their Interest Coverage Ratio (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Financial Strength at a Glance

Symbol	FIX	RKLB
Current Ratio (MRQ)	1.13	2.08
Quick Ratio (MRQ)	1.09	1.60
Debt-to-Equity Ratio (MRQ)	0.04	1.02
Interest Coverage Ratio (TTM)	9.10	-45.87

Growth

Revenue Growth

FIX 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

FIX 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)

FIX

0.22%

Construction & Engineering Industry

Max: 6.28%
Q3: 3.25%
Median: 2.02%
Q1: 0.23%
Min: 0.00%

FIX’s Dividend Yield of 0.22% is in the lower quartile for the Construction & Engineering industry. This suggests the company’s strategy likely favors retaining earnings for growth over providing a high dividend income.

RKLB

0.00%

Aerospace & Defense Industry

Max: 2.03%
Q3: 1.22%
Median: 0.43%
Q1: 0.00%
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.

FIX vs. RKLB: A comparison of their Dividend Yield (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Dividend Payout Ratio (TTM)

FIX

7.68%

Construction & Engineering Industry

Max: 139.17%
Q3: 69.47%
Median: 40.99%
Q1: 10.51%
Min: 0.00%

FIX’s Dividend Payout Ratio of 7.68% is in the lower quartile for the Construction & Engineering industry. This suggests a conservative dividend policy, with a strategic focus on reinvesting profits for future growth.

RKLB

0.00%

Aerospace & Defense Industry

Max: 83.87%
Q3: 49.90%
Median: 16.48%
Q1: 0.00%
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.

FIX vs. RKLB: A comparison of their Dividend Payout Ratio (TTM) against their respective Construction & Engineering and Aerospace & Defense industry benchmarks.

Dividend at a Glance

Symbol	FIX	RKLB
Dividend Yield (TTM)	0.22%	0.00%
Dividend Payout Ratio (TTM)	7.68%	0.00%

Valuation

Price-to-Earnings Ratio (TTM)

FIX

35.29

Construction & Engineering Industry

Max: 36.96
Q3: 24.81
Median: 15.45
Q1: 12.51
Min: 2.74

A P/E Ratio of 35.29 places FIX in the upper quartile for the Construction & Engineering industry. This high valuation relative to peers suggests the market holds elevated expectations for the company’s future growth.

RKLB

Aerospace & Defense Industry

Max: 65.97
Q3: 54.11
Median: 34.53
Q1: 23.66
Min: 0.00

P/E Ratio data for RKLB is currently unavailable.

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

Price-to-Sales Ratio (TTM)

FIX

3.18

Construction & Engineering Industry

Max: 3.22
Q3: 1.63
Median: 0.61
Q1: 0.48
Min: 0.11

FIX’s P/S Ratio of 3.18 is in the upper echelon for the Construction & Engineering 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

44.23

Aerospace & Defense Industry

Max: 8.07
Q3: 4.49
Median: 2.42
Q1: 1.39
Min: 0.00

With a P/S Ratio of 44.23, 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.

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

Price-to-Book Ratio (MRQ)

FIX

9.60

Construction & Engineering Industry

Max: 5.74
Q3: 3.33
Median: 1.49
Q1: 1.20
Min: 0.23

At 9.60, FIX’s P/B Ratio is at an extreme premium to the Construction & Engineering 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.

RKLB

18.80

Aerospace & Defense Industry

Max: 13.67
Q3: 7.92
Median: 4.65
Q1: 2.68
Min: 0.82

At 18.80, 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.

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

Valuation at a Glance

Symbol	FIX	RKLB
Price-to-Earnings Ratio (TTM)	35.29	--
Price-to-Sales Ratio (TTM)	3.18	44.23
Price-to-Book Ratio (MRQ)	9.60	18.80
Price-to-Free Cash Flow Ratio (TTM)	36.40	--