News · Comfort Systems USA, Inc. (FIX) · Industrials

Comfort Systems USA rises 7.2% after management flags strong demand and a $17.81B backlog

Session of October 26, 2026 · Published October 27, 2026 · 3 min read

What happened

Comfort Systems USA (FIX) rose 7.2% to $1,244.19 on October 26, 2026, after management said strong demand for technology and modular expansion and reported a $17.81B backlog. The move was largely company-specific: the stock moved far more than the market and its sector, and the company news is the likely driver, according to Zacks Investment Research. Trading volume was 1.8 times its 20-day average while the S&P 500 rose 0.7% on the day.

Closing price over the last 30 trading sessions. On October 26, 2026, FIX closed at $1,244, up 7.2% on the day and 21.1% lower than 30 sessions earlier.

How big was the move

The stock’s one-day gain of 7.2% was 2.1 times a typical daily move for this stock and 6.7 percentage points better than the Industrials sector median, which rose 0.5% on the day. Over the last five sessions the stock had fallen 15.0% while the S&P 500 over five sessions fell 0.2%. Volume was heavier than usual, and a beta of 1.82 indicates the stock tends to move more than the market.

Each bar is one day's price change; the outlined bar is October 26, 2026. A typical daily move over the past year was 3.7%, so the latest move equals 1.9 times that. Moves outside the dashed lines (about 7.4%) are unusual.

In the past five years the stock had 18 sessions with a gain of at least 7.2%. Twenty trading days later the median result was a gain of 1.5%, with 11 of 18 higher. That history suggests similar outsized single-day gains have often been followed by modest further gains on median.

The technical picture

The stock sits well below its short- and long-term averages: 20.0% below its 20-day moving average, 22.1% below its 50-day moving average and 22.3% below its 200-day moving average. The 50-day average is below the 200-day average, a sign of a weak longer-term trend. The Relative Strength Index (14 days) is 30, a level often called oversold, and the stock is 40.0% below its 52-week high.

Closing price over the past year. FIX ends the period 39.8% below its 52-week high, below its 50-day average ($1,598) and below its 200-day average ($1,600).

Shorter-term performance has been poor, with the stock falling 25.0% over one month and 23.5% over three months, though it rose 50.8% over one year, 36.9 percentage points ahead of the S&P 500. Volatility is elevated at 55% annualized over 60 days, higher than 78% of its own readings over five years, underscoring large intraday and day-to-day swings.

Fundamentals and valuation

For the four quarters through September 30, 2026, the company reported revenue of $12.54 billion, which grew 50.7% from a year earlier and followed revenue growth of 46.1% one quarter earlier. Diluted earnings per share were $46.32, up 96.1% from a year earlier. Gross margin expanded to 25.6% from 23.5% a year earlier, and operating margin rose to 16.7% from 13.4%.

Quarterly revenue by period end. The latest quarter brought $3.8B, 53.7% more than the same quarter a year earlier.

Free-cash-flow margin stood at 19.5% and return on invested capital was 41.7%. The balance sheet shows net cash of $1.78 billion, and share count decreased by 0.6% over one year. Valuation measures include 26.9 times trailing earnings and 25.4 times expected forward earnings, with a free-cash-flow yield of 6.0%. The price to trailing earnings is higher than 57% of its own readings over the past five years (five-year median: 24.5 times earnings).

PromtFinance scores rank the company highly for Growth at 97 (Exceptional), Quality at 98 (Exceptional) and Revisions at 93 (Exceptional), while Value is 57 (Neutral) and Stability 46 (Neutral).

Earnings and analyst expectations

The company reported on October 22, 2026, earnings per share of $13.91 against $12.85 expected, 8.2% above estimates. That marked the fifteenth consecutive quarter beating estimates, with an average surprise over the last four reports of 30.3% above estimates. The typical two-day reaction after recent reports was the stock rose 1.2%.

Diluted earnings per share by quarter. The latest quarter shows $13.91, against $8.25 in the same quarter a year earlier.

Analysts have a consensus rating of Buy based on nine analysts, 56% of whom rate the stock Buy or Strong Buy. The consensus price target is $2,042.00, which is 64.1% above the closing price on October 26, 2026.

What to watch

February 18, 2027: next scheduled earnings report date.
The reported $17.81B backlog and management commentary on demand for technology and modular expansion noted on October 26, 2026.
Consensus price target of $2,042.00 and the composition of nine analysts covering the stock.
Volatility at 55% annualized over 60 days and the stock’s position 40.0% below its 52-week high.
Technical levels: 20.0% below the 20-day average, 22.1% below the 50-day average and 22.3% below the 200-day average.

Full FIX analysis: scores, chart and financials →