FIX
Price
$1658.10
Change
-$6.96 (-0.42%)
Updated
Sep 30, 11:05 AM (EDT)
Capitalization
58.36B
22 days until earnings call
Intraday BUY SELL Signals
STRL
Price
$496.00
Change
-$8.94 (-1.77%)
Updated
Sep 30, 11:10 AM (EDT)
Capitalization
15.24B
40 days until earnings call
Intraday BUY SELL Signals
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FIX vs STRL

FIX vs STRL Comparison Chart in %
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A.I.Advisor
Sep 11, 2026

Which Stock Would AI Choose? Comfort Systems USA (FIX) vs. Sterling Infrastructure (STRL) Stock Comparison

Key Takeaways

  • Both FIX and STRL operate in the engineering and construction sector and have benefited from demand in data center and technology infrastructure projects in recent market activity.
  • FIX maintains a larger market capitalization and reports a record backlog exceeding $14 billion, supported by mechanical and electrical services growth.
  • STRL shows strong expansion in its e-infrastructure segment, with backlog growth and contributions from acquisitions enhancing its positioning in site development for high-growth sectors.
  • Recent performance for both stocks reflects sector tailwinds alongside broader market volatility, with year-to-date gains notable for each relative to the S&P 500.
  • Risk factors include customer concentration for STRL in certain transportation projects and execution risks tied to large-scale projects for FIX.
  • Market sentiment remains constructive for both, driven by infrastructure spending and technology-related construction demand over recent weeks.

Introduction

Comfort Systems USA (FIX) and Sterling Infrastructure (STRL) represent two companies in the engineering and construction industry, each with exposure to infrastructure and technology-driven projects. This comparison examines their business models, recent performance, and relative positioning in the current market environment. Investors and traders focused on industrials sector opportunities, growth from data center development, and infrastructure spending may find this analysis relevant for assessing diversification or relative value within similar end markets.

FIX Overview and Recent Performance

Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, and repair services, primarily through heating, ventilation, and air conditioning (HVAC) systems, plumbing, and related controls. The company operates in commercial, industrial, and institutional markets across the United States. In recent market activity, FIX has reported substantial revenue growth, with second-quarter results showing year-over-year increases above 50 percent, supported by technology and data center demand. Backlog reached a record level above $14 billion, providing multi-quarter visibility. Sentiment has been influenced by strong project execution and acquisition activity, though the stock experienced some pullback amid broader sector movements in recent weeks.

STRL Overview and Recent Performance

Sterling Infrastructure, Inc. delivers e-infrastructure, transportation, and building solutions, including site development for data centers, distribution centers, and industrial facilities, as well as highway and bridge projects. The company operates primarily in select U.S. regions. In recent market activity, STRL has posted significant revenue and earnings growth, with quarterly results reflecting expansion in its e-infrastructure segment and contributions from acquisitions. Backlog has increased substantially year-over-year, driven by data center-related work. Performance has shown volatility, with gains in certain periods offset by market corrections, while positive sentiment stems from backlog momentum and sector tailwinds over recent weeks.

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Head-to-Head Comparison

FIX operates at larger scale with a market capitalization exceeding $55 billion and focuses on mechanical and electrical building systems, offering broader exposure to recurring service contracts alongside project work. STRL, with a market capitalization near $15 billion, emphasizes e-infrastructure and transportation solutions, providing concentrated exposure to site preparation for technology and industrial facilities. Growth drivers for FIX include data center mechanical demand and acquisitions, while STRL benefits from e-infrastructure backlog expansion and regional acquisitions. Recent momentum has favored both amid infrastructure spending, though STRL exhibits higher beta and potential volatility tied to project concentration. Risk factors differ, with FIX facing execution on large mechanical projects and STRL managing customer concentration in transportation segments. Sector exposure overlaps in engineering and construction, yet trade-offs center on scale versus specialized growth niches and relative valuation multiples.

Tickeron AI Verdict

Based on observable factors such as trend consistency in backlog growth, stability from diversified service revenues, and relative positioning in technology infrastructure demand, Tickeron’s AI would currently assign a probabilistic edge to FIX for its larger scale and record backlog visibility. STRL demonstrates strong momentum in e-infrastructure but carries higher concentration risks. This assessment reflects current data patterns rather than forward predictions.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

Disclaimers and Limitations
VS
FIX vs. STRL commentary
Sep 30, 2026

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is FIX is a StrongBuy and STRL is a StrongBuy.

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SUMMARIES
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FUNDAMENTALS RATINGS
FIX vs STRL: Fundamental Ratings
FIX
STRL
OUTLOOK RATING
1..100
3835
VALUATION
overvalued / fair valued / undervalued
1..100
80
Overvalued
84
Overvalued
PROFIT vs RISK RATING
1..100
950
SMR RATING
1..100
1927
PRICE GROWTH RATING
1..100
3949
P/E GROWTH RATING
1..100
3941
SEASONALITY SCORE
1..100
5050

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

FIX's Valuation (80) in the Engineering And Construction industry is in the same range as STRL (84). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.

FIX's Profit vs Risk Rating (9) in the Engineering And Construction industry is somewhat better than the same rating for STRL (50). This means that FIX’s stock grew somewhat faster than STRL’s over the last 12 months.

FIX's SMR Rating (19) in the Engineering And Construction industry is in the same range as STRL (27). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.

FIX's Price Growth Rating (39) in the Engineering And Construction industry is in the same range as STRL (49). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.

FIX's P/E Growth Rating (39) in the Engineering And Construction industry is in the same range as STRL (41). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
FIXSTRL
RSI
ODDS (%)
N/A
Bullish Trend 1 day ago
81%
Stochastic
ODDS (%)
Bearish Trend 1 day ago
67%
Bearish Trend 1 day ago
69%
Momentum
ODDS (%)
Bullish Trend 1 day ago
85%
Bullish Trend 1 day ago
80%
MACD
ODDS (%)
Bullish Trend 1 day ago
79%
Bullish Trend 1 day ago
83%
TrendWeek
ODDS (%)
Bullish Trend 1 day ago
83%
Bearish Trend 1 day ago
71%
TrendMonth
ODDS (%)
Bullish Trend 1 day ago
81%
Bearish Trend 1 day ago
78%
Advances
ODDS (%)
Bullish Trend 6 days ago
80%
Bullish Trend 13 days ago
82%
Declines
ODDS (%)
Bearish Trend 9 days ago
66%
Bearish Trend 3 days ago
72%
BollingerBands
ODDS (%)
Bearish Trend 1 day ago
67%
N/A
Aroon
ODDS (%)
Bullish Trend 3 days ago
86%
Bearish Trend 1 day ago
73%
COMPARISON
Comparison
Sep 30, 2026
Stock price -- (FIX: $1665.05 vs. STRL: $504.94)
Brand notoriety: FIX and STRL are both not notable
Both companies represent the Engineering & Construction industry
Current volume relative to the 65-day Moving Average: FIX: 70% vs. STRL: 53%
Market capitalization -- FIX: $58.36B vs. STRL: $15.24B
FIX [@Engineering & Construction] is valued at $58.36B. STRL’s [@Engineering & Construction] market capitalization is $15.24B. The market cap for tickers in the [@Engineering & Construction] industry ranges from $69 to $2.15T. The average market capitalization across the [@Engineering & Construction] industry is $7.67B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

FIX’s FA Score shows that 2 FA rating(s) are green while STRL’s FA Score has 1 green FA rating(s).

  • FIX’s FA Score: 2 green, 3 red.
  • STRL’s FA Score: 1 green, 4 red.
According to our system of comparison, both FIX and STRL are a good buy in the long-term.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

FIX’s TA Score shows that 5 TA indicator(s) are bullish while STRL’s TA Score has 4 bullish TA indicator(s).

  • FIX’s TA Score: 5 bullish, 3 bearish.
  • STRL’s TA Score: 4 bullish, 4 bearish.
According to our system of comparison, FIX is a better buy in the short-term than STRL.

Price Growth

FIX (@Engineering & Construction) experienced а +2.46% price change this week, while STRL (@Engineering & Construction) price change was -2.25% for the same time period.

The average weekly price growth across all stocks in the @Engineering & Construction industry was +1.26%. For the same industry, the average monthly price growth was -3.99%, and the average quarterly price growth was -10.52%.

Reported Earning Dates

FIX is expected to report earnings on Oct 22, 2026.

STRL is expected to report earnings on Nov 09, 2026.

Industries' Descriptions

@Engineering & Construction (+1.26% weekly)

Engineering & Construction includes companies that engage in non-residential construction and contract services, including ventilation, heating and air conditioning (HVAC) services. The level/value of construction & engineering activity is one of the potentially relevant indicators of the health of businesses, and hence of the overall economy. Some of the large-cap U.S. companies in this industry include Jacobs Engineering Group Inc,, AECOM and Quanta Services, Inc.

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FIX
Daily Signal:
Gain/Loss:
STRL
Daily Signal:
Gain/Loss:
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FIX and

Correlation & Price change

A.I.dvisor indicates that over the last year, FIX has been closely correlated with PWR. These tickers have moved in lockstep 82% of the time. This A.I.-generated data suggests there is a high statistical probability that if FIX jumps, then PWR could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To FIX
1D Price
Change %
FIX100%
+0.41%
PWR - FIX
82%
Closely correlated
+1.15%
EME - FIX
81%
Closely correlated
-0.46%
ECG - FIX
75%
Closely correlated
+0.98%
MYRG - FIX
75%
Closely correlated
+0.83%
STRL - FIX
74%
Closely correlated
+1.32%
More

STRL and

Correlation & Price change

A.I.dvisor indicates that over the last year, STRL has been closely correlated with FIX. These tickers have moved in lockstep 74% of the time. This A.I.-generated data suggests there is a high statistical probability that if STRL jumps, then FIX could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To STRL
1D Price
Change %
STRL100%
+1.32%
FIX - STRL
74%
Closely correlated
+0.41%
ECG - STRL
71%
Closely correlated
+0.98%
EME - STRL
68%
Closely correlated
-0.46%
PWR - STRL
68%
Closely correlated
+1.15%
MYRG - STRL
66%
Loosely correlated
+0.83%
More