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FIX vs STRL
Which Stock Would AI Choose? Comfort Systems USA (FIX) vs. Sterling Infrastructure (STRL) Stock Comparison
Key Takeaways
- Both FIX and STRL are direct beneficiaries of the AI-driven data center and mission-critical infrastructure buildout, but they compete from different positions in the construction value chain.
- FIX carries a substantially larger backlog and a stronger balance sheet, while STRL has posted faster revenue growth but faces margin-mix and cash-conversion pressures.
- Both stocks have retreated from record highs in recent weeks, with STRL experiencing a notably sharper pullback than FIX.
- Tickeron AI Verdict: Based on trend consistency, balance-sheet stability, and margin durability, the AI currently favors FIX in this comparison.
- Explore FIX Major News and FIX Today's Price Move, along with STRL Major News and STRL Today's Price Move, for real-time updates on each company.
- For automated, data-driven trading ideas across thousands of tickers, explore Trending AI Robots.
Introduction
Investors seeking exposure to the artificial intelligence (AI) infrastructure boom increasingly look beyond chipmakers to the contractors physically building data centers, semiconductor facilities, and other mission-critical assets. FIX (Comfort Systems USA) and STRL (Sterling Infrastructure) are two of the most prominent names in this theme, yet their business models, growth profiles, and risk characteristics differ meaningfully. This stock comparison examines their recent performance, market positioning, and relative momentum to help traders and investors assess which name may be better aligned with the current market environment.
FIX Overview and Recent Performance
Comfort Systems USA is a leading provider of mechanical, electrical, and plumbing services for commercial and industrial facilities, with a heavy emphasis on heating, ventilation, and air conditioning (HVAC) for data centers. Recent market activity has been strong but volatile: the stock rose sharply through 2026 before pulling back from record levels in recent weeks as investors weighed valuation after an extended run.
Fundamentals remain robust. In its latest reported quarter, FIX posted revenue growth of roughly 54% year over year, with diluted earnings per share (EPS) nearly doubling, and its backlog reached a record of approximately $17.8 billion, up about 90% year over year. A net cash position exceeding $1 billion and a comparatively modest debt load support flexibility for acquisitions and capacity expansion. Sentiment has been driven by sustained data center demand, margin expansion, and a lengthening backlog duration, while the main concern is a premium valuation and the potential for growth to moderate beyond the current investment cycle.
STRL Overview and Recent Performance
Sterling Infrastructure provides site development and electrical services through its E-Infrastructure Solutions segment, alongside transportation and building solutions. Like FIX, it has been a standout performer tied to AI and mission-critical construction. Recent performance has been explosive on an operational basis, with latest-quarter revenue rising roughly 127% year over year and adjusted EPS more than doubling.
STRL raised its full-year guidance on the strength of data center and semiconductor demand, and its combined backlog expanded substantially. However, the stock has experienced a significantly steeper pullback than its peer, retreating well below its 52-week high in recent weeks. Sentiment has been pressured by concerns about margin dilution from its electrical acquisition, rising working-capital needs, and cash-flow conversion running below historical norms, even as earnings estimates have continued to move higher.
Trending AI Robots
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Head-to-Head Comparison
The two companies sit at different points in the infrastructure spectrum. FIX concentrates on mechanical and electrical installation, with technology customers now representing a majority of revenue and a backlog that has grown for eight consecutive quarters. STRL emphasizes site development and, increasingly, electrical work, giving it faster headline growth but also a more complex margin mix as lower-margin electrical revenue scales.
On momentum, STRL has delivered superior revenue acceleration, while FIX has shown more consistent margin durability and balance-sheet strength. Risk factors also diverge: FIX faces valuation risk and the eventual normalization of data center spending, whereas STRL contends with working-capital intensity, margin dilution, and housing-related softness in its building segment. Both remain highly exposed to the same core catalyst of hyperscaler capital expenditure, meaning their relative positioning is defined more by execution and financial stability than by divergent end markets.
Tickeron AI Verdict
Weighing observable factors such as trend consistency, balance-sheet stability, margin durability, and relative positioning, Tickeron's AI would currently lean toward FIX in this comparison. The company's longer-running sequence of backlog growth, stronger net cash position, and steadier margin profile provide a more consistent foundation than STRL, whose faster growth is accompanied by greater margin-mix and cash-conversion uncertainty. This reflects a probabilistic, model-driven assessment rather than a definitive prediction, and both names remain closely tied to the trajectory of AI infrastructure spending.
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.
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 Hold.
FIX's Stochastic Oscillator is sitting in oversold zone for 2 days
Be on the lookout for a price bounce soon.
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where FIX's RSI Oscillator exited the oversold zone, 13 of 16 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 81%.
Following a +8.16% 3-day Advance, the price is estimated to grow further. Considering data from situations where FIX advanced for three days, in 287 of 359 cases, the price rose further within the following month. The odds of a continued upward trend are 80%.
FIX may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 12, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on FIX as a result. In 55 of 80 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 69%.
The Moving Average Convergence Divergence Histogram (MACD) for FIX turned negative on October 13, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 49 similar instances when the indicator turned negative. In 36 of the 49 cases the stock turned lower in the days that followed. This puts the odds of success at 73%.
FIX moved below its 50-day moving average on October 12, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for FIX crossed bearishly below the 50-day moving average on October 16, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 10 of 13 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 77%.
The 50-day moving average for FIX moved below the 200-day moving average on October 26, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where FIX declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 66%.
The Aroon Indicator for FIX entered a downward trend on November 06, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is 19 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is 48 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 78, placing this stock slightly better than average.
The Tickeron Price Growth Rating for this company is 65 (best 1 - 100 worst), indicating steady price growth. FIX’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 70 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (11.131) is normal, around the industry mean (14.908). P/E Ratio (25.006) is within average values for comparable stocks, (166.230). Projected Growth (PEG Ratio) (0.554) is also within normal values, averaging (3.522). Dividend Yield (0.004) settles around the average of (0.207) among similar stocks. P/S Ratio (4.990) is also within normal values, averaging (2.856).
The Tickeron PE Growth Rating for this company is 85 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
STRL's RSI Oscillator sits in oversold zone for 2 days
It is expected that a price bounce should occur soon.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 19 days. The price of this ticker is presumed to bounce back soon, since the longer the ticker stays in the oversold zone, the more promptly an upward trend is expected.
Following a +7.80% 3-day Advance, the price is estimated to grow further. Considering data from situations where STRL advanced for three days, in 287 of 352 cases, the price rose further within the following month. The odds of a continued upward trend are 82%.
STRL may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 13, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on STRL as a result. In 69 of 88 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 78%.
The Moving Average Convergence Divergence Histogram (MACD) for STRL turned negative on October 14, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 42 similar instances when the indicator turned negative. In 30 of the 42 cases the stock turned lower in the days that followed. This puts the odds of success at 71%.
STRL moved below its 50-day moving average on October 09, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for STRL crossed bearishly below the 50-day moving average on October 15, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 9 of 15 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 60%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where STRL declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 73%.
The Aroon Indicator for STRL entered a downward trend on November 06, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is 27 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Valuation Rating of 62 (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (5.698) is normal, around the industry mean (14.908). P/E Ratio (17.943) is within average values for comparable stocks, (166.230). Projected Growth (PEG Ratio) (0.611) is also within normal values, averaging (3.522). Dividend Yield (0.000) settles around the average of (0.207) among similar stocks. P/S Ratio (4.365) is also within normal values, averaging (2.856).
The Tickeron Profit vs. Risk Rating rating for this company is 77 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. STRL’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 78, placing this stock better than average.
The Tickeron PE Growth Rating for this company is 91 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Price Growth Rating for this company is 93 (best 1 - 100 worst), indicating slightly worse than average price growth. STRL’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
FIX | STRL | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 50 | 50 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 70 Overvalued | 62 Fair valued | |
PROFIT vs RISK RATING 1..100 | 48 | 77 | |
SMR RATING 1..100 | 19 | 27 | |
PRICE GROWTH RATING 1..100 | 65 | 93 | |
P/E GROWTH RATING 1..100 | 85 | 91 | |
SEASONALITY SCORE 1..100 | 75 | 85 |
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.
STRL's Valuation (62) in the Engineering And Construction industry is in the same range as FIX (70). This means that STRL’s stock grew similarly to FIX’s over the last 12 months.
FIX's Profit vs Risk Rating (48) in the Engineering And Construction industry is in the same range as STRL (77). This means that FIX’s stock grew similarly to 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 (65) in the Engineering And Construction industry is in the same range as STRL (93). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.
FIX's P/E Growth Rating (85) in the Engineering And Construction industry is in the same range as STRL (91). This means that FIX’s stock grew similarly to STRL’s over the last 12 months.
| FIX | STRL | |
|---|---|---|
| RSI ODDS (%) | 4 days ago 81% | 4 days ago 90% |
| Stochastic ODDS (%) | 4 days ago 90% | 4 days ago 82% |
| Momentum ODDS (%) | 4 days ago 69% | 4 days ago 78% |
| MACD ODDS (%) | 4 days ago 73% | 4 days ago 71% |
| TrendWeek ODDS (%) | 4 days ago 66% | 4 days ago 72% |
| TrendMonth ODDS (%) | 4 days ago 71% | 4 days ago 78% |
| Advances ODDS (%) | 13 days ago 80% | 13 days ago 82% |
| Declines ODDS (%) | 5 days ago 66% | 5 days ago 73% |
| BollingerBands ODDS (%) | 4 days ago 84% | 4 days ago 83% |
| Aroon ODDS (%) | 4 days ago 76% | 4 days ago 74% |
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 1 FA rating(s) are green while STRL’s FA Score has 1 green FA rating(s).
- FIX’s FA Score: 1 green, 4 red.
- STRL’s FA Score: 1 green, 4 red.
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 4 TA indicator(s) are bullish while STRL’s TA Score has 4 bullish TA indicator(s).
- FIX’s TA Score: 4 bullish, 7 bearish.
- STRL’s TA Score: 4 bullish, 6 bearish.
Price Growth
FIX (@Engineering & Construction) experienced а -17.45% price change this week, while STRL (@Engineering & Construction) price change was -26.91% for the same time period.
The average weekly price growth across all stocks in the @Engineering & Construction industry was -3.25%. For the same industry, the average monthly price growth was -11.39%, and the average quarterly price growth was -25.55%.
Reported Earning Dates
FIX is expected to report earnings on Feb 25, 2027.
STRL is expected to report earnings on Mar 01, 2027.
Industries' Descriptions
@Engineering & Construction (-3.25% 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 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 86% 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.
| Ticker / NAME | Correlation To FIX | 1D Price Change % | ||
|---|---|---|---|---|
| FIX | 100% | +5.45% | ||
| PWR - FIX | 86% Closely correlated | +6.25% | ||
| EME - FIX | 81% Closely correlated | +2.21% | ||
| ECG - FIX | 78% Closely correlated | +5.74% | ||
| STRL - FIX | 78% Closely correlated | +3.47% | ||
| MYRG - FIX | 78% Closely correlated | +6.62% | ||
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 78% 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.
| Ticker / NAME | Correlation To STRL | 1D Price Change % | ||
|---|---|---|---|---|
| STRL | 100% | +3.47% | ||
| FIX - STRL | 78% Closely correlated | +5.45% | ||
| EME - STRL | 75% Closely correlated | +2.21% | ||
| ECG - STRL | 75% Closely correlated | +5.74% | ||
| PWR - STRL | 72% Closely correlated | +6.25% | ||
| IESC - STRL | 69% Closely correlated | +8.84% | ||
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| 1 Day | |||
|---|---|---|---|
| ETFs / NAME | Price $ | Chg $ | Chg % |
| ONDL | 2.35 | 0.62 | +35.84% |
| Defiance Daily Target 2X Long ONDS ETF (ONDL) | |||
| GOOX | 47.24 | 0.61 | +1.31% |
| T-Rex 2X Long Alphabet Daily Target ETF (GOOX) | |||
| BBSC | 84.48 | 0.68 | +0.81% |
| JPMorgan BetaBuilders U.S. Small Cap Equity Fund (BBSC) | |||
| QALT | 25.74 | 0.12 | +0.45% |
| SEI DBi Multi-Strategy Alternative ETF (QALT) | |||
| SPTI | 27.79 | -0.05 | -0.18% |
| State Street SPDR Portfolio Intermediate Term Treasury ETF (SPTI) | |||