CTOS · Custom Truck One Source
Conviction · Medium · more likely to lead the S&P 500 over the next three months, by a modest margin
Wrong if: a daily close below $8.40
Note written ·
Price against the kill line
19.0% clear of its kill line on the 13 November 2026 close.
How to read this
The red mark is the price level of the published kill line: a close through it (a weekly close, on a weekly line) would prove the research note wrong on price. The dot is where the stock closed on 13 November 2026; a dot left of the mark has closed through its line.
The scale is stretched near the line, so close calls are easy to see. More than 8% from the line, the stock reads well clear, with a hollow dot to show the figure is off the drawn scale.
The kill line is the research note's own test. The portfolio sells on business facts, not on a price. How the portfolio decides
Three months against the kill line
Daily closes, to . Red: the kill line, a daily close below $8.40, on record since 10 November 2026. The shares are down 4.7% since the close; the S&P 500 is down 2.1% over the same sessions. Figures in the note can cover a different window.
Kill line
A daily close below $8.40, which would take the shares well under the 200-day average and show the post-report recovery has failed. A cut of 2026 Adjusted EBITDA guidance below $447.5 million, fleet utilization under 78%, or net leverage above 4.0 times would also break the case.
Research onlyNot in the portfolio.
Key figures from the filings · Industrials
Quarter to 30 September 2026, filed 26 October 2026; valuation at the 13 November 2026 close
- Revenue, latest quarter ($M)
- 495
- Revenue, change on a year (%)
- +2.7
- Gross margin (%)
- 22.9
- Operating margin (%)
- 7.7
- Net cash, cash less debt ($M)
- −1,639
- Price to earnings (×)
- 77.1
- Enterprise value to sales (×)
- 1.9
- Enterprise value to operating income (×)
- 23.3
All filed numbers
What Custom Truck One Source reports to the SEC in its quarterly and annual filings. Each group states its period and filing date once; a figure dated otherwise says so. Built from the filings known on .
| Quarter to | Revenue ($M) | On a year (%) | Gross margin (%) | Operating margin (%) |
|---|---|---|---|---|
| first filed | 495 | +2.7 | 22.9 | 7.7 |
| first filed | 563 | +10.2 | 22.0 | 8.3 |
| first filed | 462 | +9.3 | 22.3 | 6.8 |
| first filed | 528 | +1.4 | 23.3 | 9.8 |
| first filed | 482 | +7.8 | 20.9 | 6.8 |
| first filed | 512 | +20.9 | 20.0 | 5.5 |
| Pre-tax income ($M) | 1.4 |
| Net income ($M) four quarters: 29.5 | 2.3 |
| Diluted shares, change on a year (%) against the quarter to 30 September 2025 | +1.5 |
| Operating cash flow ($M) | 279 |
| Capital spending ($M) | Not reported |
| Free cash flow ($M) | Not available |
| Cash and short-term investments ($M) | 14.6 |
| Debt ($M) long-term debt | 1,654 |
| Net cash, cash less debt ($M) | −1,639 |
| Deferred revenue ($M) +9.0% on a year | 23.1 |
| Backlog, orders not yet delivered ($M) | Not reported |
| Receivables ($M) | 205 |
| Inventory ($M) | 1,016 |
| Shareholders' equity ($M) | 822 |
| Market value ($M) | 2,272 |
| Enterprise value, market value plus net debt ($M) | 3,911 |
| Enterprise value to sales (×) | 1.9 |
| Enterprise value to operating income (×) | 23.3 |
| Price to earnings (×) | 77.1 |
| Price to book value (×) | 2.8 |
| Free-cash-flow yield (%) | Not available |
Short interest (FINRA, settled 15 October 2026, published 26 October 2026): 1.6% of shares outstanding sold short, 3.6 days of average trading to cover, −9.2% since the previous report.
| Window | Bought | Sold |
|---|---|---|
| 90 daysfrom | $0 | $0 |
| 12 monthsfrom | $0 | $0 |
The thesis
Custom Truck One Source is more likely than not to beat the S&P 500 over the next three months, but only modestly. The case rests on rented utility-equipment fleet growth and a third 2026 increase in Adjusted EBITDA guidance, to $447.5–$460.0 million on 26 October 2026, with net leverage down to 3.70 times. Delivery of the more than $20 million of trucks pushed out of Q3 into Q4, and the year-end leverage reading, settle it.
The company rents and sells specialty trucks and utility equipment. The shares closed at $10.38 on 11 November 2026, up from $9.33 on 6 November 2026 and above both the 50-day average of $9.51 and the 200-day average of $9.02 (adjusted daily closes). The 52-week intraday high is $12.23 on 25 June 2026, and the last close is 15.1% below it. The three-month price change is 1.2%.
The Q3 report was mixed: revenue missed and the free-cash-flow outlook was cut, while earnings guidance rose. The 10-Q was filed on 26 October 2026.
Bullish and bearish views on Custom Truck One Source, Inc.
The bull case on Custom Truck One Source, Inc. (CTOS), in brief: guidance rose again. The bear case: revenue missed. Q3 revenue was $495.2 million, up 2.7%, against the $516.5 million consensus estimate (company news, 26 October 2026). Equipment sales fell 3.4% to $309.6 million. Cash-flow outlook was cut. Levered free cash flow guidance fell to "slightly positive" from more…
Bull case
- Guidance rose again. Full-year 2026 Adjusted EBITDA (earnings before interest, taxes, depreciation and amortization, adjusted by the company) guidance moved to $447.5–$460.0 million from $437.5–$455.0 million, per Finsee's summary of the 26 October 2026 release. Revenue guidance of about $2.10–$2.20 billion was affirmed.
- Rental revenue is growing fast. Rental revenue was $152.7 million in Q3, up 20.1% from $127.1 million, and Adjusted EBITDA was $110.9 million, up 15.6% (Rental & Equipment Retailer, 29 October 2026; Finsee). Nine-month rental revenue was $435 million, up 19.4%.
- Utilization held, and October is higher. Fleet utilization was 81.5% in Q3, against 81.6% in Q2. Finsee reports utilization above 84% in early October, and 247WallSt reports on-rent fleet cost above $1.5 billion, a record.
- Leverage is falling. Net leverage was 3.70 times at 30 September 2026, from 3.85 times at 30 June 2026 and 4.31 times at year-end 2025 (Finsee). Management expects year-end leverage "meaningfully below 4.0x" and a 2027 target below 3.0 times.
- Analyst target sits well above the price. Cantor Fitzgerald kept an Overweight rating and raised its price target to $15 from $14 on 28 October 2026, after the Q3 report (company news headlines).
Bear case
- Revenue missed. Q3 revenue was $495.2 million, up 2.7%, against the $516.5 million consensus estimate (company news, 26 October 2026). Equipment sales fell 3.4% to $309.6 million.
- Cash-flow outlook was cut. Levered free cash flow guidance fell to "slightly positive" from more than $50 million because of higher net rental fleet investment (Finsee; 247WallSt, 26 October 2026). Fleet spending pays back mainly in 2027.
- Sequential earnings dipped. Q3 Adjusted EBITDA of $110.9 million compares with $116.8 million in Q2 2026. The CFO had guided on 4 August 2026 that Q3 would come in modestly below Q2, so Q4 has to rebuild it.
- Q4 depends on delayed deliveries. Management attributed the revenue miss to a hailstorm at the Kansas City facility and a vendor warranty recall that pushed more than $20 million of truck deliveries into Q4 (Finsee; 247WallSt). Finsee's own estimate of implied Q4 Adjusted EBITDA is about $128.1 million.
- Controlling-holder supply remains. Platinum Equity controls the company, and a registered sale would add shares to a relatively thin float. No Form 4 sale or secondary offering is on file as of 11 November 2026.
Price setup
The shares closed at $10.38 on 11 November 2026, their highest close in the six sessions listed: $10.13 on 4 November 2026, $9.30 on 5 November 2026, $9.33 on 6 November 2026, $10.02 on 9 November 2026 and $10.08 on 10 November 2026. The drop on 5 November 2026 and the rebound on 9 November 2026 both came with no company news.
The close is above the 50-day average of $9.51 and the 200-day average of $9.02, both measured on adjusted closes as of 11 November 2026. The 3-month reference close of $10.26 on 13 August 2026 is nearly level with the last close, which is why the three-month change is only 1.2%.
The 52-week intraday high of $12.23 on 25 June 2026 is the prior peak. A close back near it would show the shares leading again. The 52-week closing low of $5.34 on 20 November 2025 marks how far the shares have recovered over twelve months.
Catalysts ahead
- ~31 December 2026 (est.): Quarter-end for Q4 2026, when more than $20 million of delayed truck deliveries are expected to ship. Shows whether the Q3 revenue miss was timing, as management said, and whether earnings rebuild after the Q3 dip.
- ~1 March 2027 (est.): Q4 and full-year 2026 report (date unconfirmed, expected late February to March 2027). Tests the raised $447.5–$460.0 million Adjusted EBITDA range and whether year-end net leverage lands below 4.0 times.
What would change the view
A daily close below $8.40, which would take the shares well under the 200-day average and show the post-report recovery has failed. A cut of 2026 Adjusted EBITDA guidance below $447.5 million, fleet utilization under 78%, or net leverage above 4.0 times would also break the case.
The risks this note tracks, each with what would confirm it:
- Fleet investment outpaces cash generation and slows deleveraging. Confirmed by: net leverage above 4.0 times in the next report, versus 3.70 times at 30 September 2026, or a further cut to the slightly positive free cash flow outlook.
- Delayed truck deliveries slip again and equipment sales stay weak. Confirmed by: Q4 revenue short of the $2.10 billion low end of 2026 guidance, or equipment sales down again after the 3.4% fall in Q3.
- Utility-equipment rental demand softens. Confirmed by: fleet utilization under 78%, versus 81.5% in Q3 2026 and above 84% in early October.
- Selling by the controlling holder adds supply to a thin float. Confirmed by: a registered secondary offering or a Form 4 sale filing by Platinum Equity.
What it trades with
The shares trade with utility-grid and infrastructure-spending names, because utility customers drive rental demand and truck orders. Cyclical equipment rental peers share exposure to interest rates and used-equipment prices. Net debt of $1.651 billion (Finsee, 30 September 2026) makes the stock sensitive to borrowing costs. Platinum Equity's control of the float is specific to this name.
The evidence, claim by claim (7)
- Q3 2026 revenue was $495.2 million, up 2.7% from $482.1 million, against a $516.5 million consensus estimate; rental revenue was $152.7 million, up 20.1%. Custom Truck Q3 2026 release; Rental & Equipment Retailer 29 October 2026 · as of
- Q3 2026 Adjusted EBITDA was $110.9 million, up 15.6% year over year; GAAP EPS was $0.01. Finsee Q3 2026 review; company news · as of
- Full-year 2026 Adjusted EBITDA guidance was raised to $447.5–$460.0 million from $437.5–$455.0 million; revenue guidance of about $2.10–$2.20 billion was affirmed. Finsee Q3 2026 review · as of
- Fleet utilization was 81.5% in Q3 and above 84% in early October; net leverage was 3.70 times at quarter-end, down from 3.85 times at 30 June 2026. Finsee Q3 2026 review; 247WallSt · as of
- Levered free cash flow guidance was cut to slightly positive from more than $50 million because of higher net rental fleet investment. Finsee Q3 2026 review; 247WallSt · as of
- Cantor Fitzgerald maintained an Overweight rating and raised its price target to $15 from $14. Company news headlines, 28 October 2026 · as of
- Closing price was $10.38, above the 50-day average of $9.51 and the 200-day average of $9.02; 15.1% below the 52-week intraday high of $12.23 set on 25 June 2026. Daily closes, adjusted for splits and dividends · as of
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