NYSE: PRIM · Engineering & Construction
Primoris Services (PRIM) fair value: undervalued or overvalued?
As of 3 Oct 2026, Faircurve's model values Primoris Services (PRIM) at $81.27 a share. The stock last closed at $79.08, which puts the model's fair value 2.8% above the price. On the model's bands that reads as Fairly valued.
Revalued . Price is the close of 2 Oct 2026. Primoris Services Corporation.
Faircurve Insights · 3 Oct 2026
Primoris Services Corporation is a specialized contracting firm which offers construction, fabrication, upkeep, modernization, and advanced engineering expertise throughout the United States and Canada.
Faircurve's model found a fair value of $81.27 a share on 3 Oct 2026, the midpoint of 2,000 simulations. The previous run on 26 Sep 2026 gave $75.39, so the fair value moved +7.8%. The calibrated range is $67.80 to $98.52, built from the fair value. Ranges built this way held the price 60% of the time at this horizon. The evidence grade is Medium.
The overall quality score for the company is 47 out of 100 against comparable companies. The model compares the company with MYR Group Inc., Granite Construction Incorporated, Argan, Inc., Exponent, Inc., Everus Construction Group, Inc., Fluor Corporation, and Dycom Industries, Inc. Moves around the last 8 earnings reports show a median size of 13.2%, ignoring direction.
Written from the figures on this page for the 3 Oct 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
What price range does the model give PRIM?
The calibrated range for PRIM over 63 trading days is $67.80 to $98.52. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 4,809 past valuations, refreshed 3 Oct 2026). Ranges built this way held the price 60% of the time at this horizon.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $56.55 to $113.28. In 53% of the simulations the fair value came out above the price the model ran on.
How does PRIM score on business quality?
Primoris Services's overall quality score is 47 out of 100. Each factor below is a score against comparable companies, not a percentile of the metric beside it.
| Factor | Score (0 to 100) | Headline measure | Peer median |
|---|---|---|---|
| ProfitabilityReturn on invested capital against the peer group, with a bonus for an improving trend. | 21 | 6.5%ROIC | 20.0% |
| Earnings qualityHow much of reported profit is cash: free cash flow to net income, and the accrual ratio (the share of earnings that is not cash). | 34 | 0.63xFCF / net income | 1.16x |
| Growth qualityTrailing revenue growth, forward growth from consensus, and the direction of analyst estimate revisions. | 54 | 19.0%Revenue growth, trailing | 12.8% |
| Capital disciplineReinvestment efficiency (capital spending per unit of revenue) and net buybacks. | 86 | 1.6%Net buybacks / market value | 1.0% |
| Balance sheetNet debt to EBITDA and interest coverage. | 41 | 2.91xNet debt / EBITDA | 0.76x |
| StabilityDownside volatility of the EBITDA margin over the last five years. | 100 | 0.3 ptsEBITDA margin downside volatility, 5y | 1.2 pts |
How does PRIM compare with similar companies?
The companies in engineering & construction closest to Primoris Services in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| KBR KBR, Inc. | $34.24 | $36.64 | +7.0% | Low evidence grade |
| MYRG MYR Group Inc. | $304.77 | $353.14 | +15.9% | Undervalued |
| GVA Granite Construction Incorporated | $119.92 | $141.37 | +17.9% | Undervalued |
| AGX Argan, Inc. | $383.83 | $371.22 | -3.3% | Fairly valued |
| EXPO Exponent, Inc. | $67.30 | $60.29 | -10.4% | Fairly valued |
| ECG Everus Construction Group, Inc. | $123.35 | $127.26 | +3.2% | Fairly valued |
| FLR Fluor Corporation | $49.90 | $58.99 | +18.2% | Undervalued |
| DY Dycom Industries, Inc. | $273.75 | $343.94 | +25.6% | Undervalued |
All engineering & construction stocks ranked by gap to fair value
When does PRIM report earnings, and how has the stock reacted?
Primoris Services's next earnings report is scheduled for 2 Nov 2026. Companies can move their dates.
Options prices on 2 Oct 2026 imply a move of about 9.3% in either direction through the nearest expiry, about 13 days out. That is the size the market is pricing, not a direction.
How PRIM moved around its last 8 earnings reports
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across these 8 reports, ignoring direction, was 13.2%.
| Report date | Two session move |
|---|---|
| 4 Aug 2026 | -5.1% |
| 5 May 2026 | -45.4% |
| 23 Feb 2026 | -10.3% |
| 3 Nov 2025 | -9.5% |
| 4 Aug 2025 | +19.1% |
| 5 May 2025 | +30.1% |
| 24 Feb 2025 | +6.8% |
| 4 Nov 2024 | +16.1% |
Primoris Services at a glance
Primoris Services Corporation functions as a prominent specialized contracting firm, offering a wide array of services that include construction, fabrication, upkeep, modernization, and advanced engineering expertise throughout the United States and Canada.
- Market value
- $4.3B
- Sector
- Industrials
- Industry
- Engineering & Construction
- Revenue expected, next twelve months
- $7.9B
- Consensus revenue growth, next fiscal year
- -4.0%
- Analysts with estimates
- 11
- Beta to the US market
- 2.06
- First valued by Faircurve
- 11 Jul 2026
How the fair value is worked out: the model prices Primoris Services on the value of the whole business, debt included, against the operating profit analysts expect next year (forward EV/EBITDA), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 26 Sep 2026 the model's fair value for PRIM was $75.39. As of 3 Oct 2026 it is $81.27, a change of +7.8%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about Primoris Services's valuation
Is Primoris Services stock undervalued or overvalued?
On Faircurve's model, PRIM reads as Fairly valued as of 3 Oct 2026. The model's fair value is $81.27 a share against a last close of $79.08, a gap of +2.8%.
What is PRIM's fair value?
$81.27 a share as of 3 Oct 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $56.55 to $113.28.
What price range does the model give PRIM?
$67.80 to $98.52 over 63 trading days. Ranges built this way held the price 60% of the time across 4,809 past valuations, refreshed 3 Oct 2026.
When does Primoris Services report earnings next?
The next report is scheduled for 2 Nov 2026. Companies can move their dates.
How much has PRIM moved on past earnings reports?
Across its last 8 reports the median two session move was 13.2%, ignoring direction. The largest was -45.4% around the report of 5 May 2026.
How confident is the model in this valuation?
The model's evidence grade for PRIM is medium. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It is not a probability that the fair value is right, or that the price reaches it.