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Is CCOI a Buy as Margins Improve but Refinancing Risks Stay High?
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Key Takeaways
Cogent Communications trades at 1.14 times EV/sales, just above its five-year low of 1.12.
On-net revenue including wavelengths rose 6.2%, helping lift Cogent Communications' gross margin to 47%.
CCOI must refinance $750M of notes due June 2027, with replacement funding likely to cost more.
Cogent Communications Holdings, Inc. (CCOI - Free Report) offers investors a sharp trade-off. Its valuation is near a five-year low and operating efficiency is improving, but leverage and refinancing needs remain substantial.
The investment question is whether growth in higher-margin on-net and wavelength services can strengthen earnings and cash generation fast enough to offset continued revenue pressure and the cost of refinancing.
CCOI's Valuation Sits Near Its Five-Year Low
CCOI trades at a trailing 12-month enterprise-value-to-sales ratio of 1.14, barely above its five-year low of 1.12 and far below the five-year median of 4.84. The discount leaves room for upside if operating trends stabilize.
Cheapness alone is not enough. Second-quarter 2026 service revenues fell 4.3% year over year to $235.6 million, reflecting weakness in the acquired Sprint wireline business and off-net services. That revenue pressure helps explain why the multiple remains depressed.
Cogent's Higher-Margin Services Are Gaining Weight
On-net revenues increased to $135.4 million in the second quarter from $132.3 million a year earlier. Wavelength revenues rose to $14.8 million from $9.1 million, while on-net revenue including wavelengths advanced 6.2% year over year to $150.2 million.
The mix shift is improving profitability. Non-GAAP gross margin reached 47%, up from 44.4% a year earlier, while adjusted EBITDA margin was 30.2% versus 29.8%. Continued growth in these higher-margin services could help Cogent absorb pressure from lower-margin businesses.
CCOI Still Carries Material Refinancing Risk
Net leverage adjusted for amounts due from T-Mobile fell to 6.23 times in the second quarter from 6.79 times in the prior quarter after Cogent sold data-center assets and repurchased debt. Even after that improvement, leverage remains a central constraint.
The company must refinance $750 million of unsecured notes maturing in June 2027 and expects the transaction to be completed in the third quarter of 2026. Management indicated that new funding will likely cost more. Lumen Technologies, Inc. (LUMN - Free Report) has emphasized debt reduction and a lower cost of capital while continuing network investment, illustrating why financing flexibility matters in this capital-intensive industry.
Cogent's Cash Flow Needs More Durable Support
Operating cash flow improved to $3.2 million in the second quarter from a $44 million use of cash a year earlier. First-half 2026 operating cash flow reached $18 million compared with a $7.7 million use of cash in the prior-year period.
Image Source: Zacks Investment Research
That progress is not yet self-sustaining. T-Mobile payments are scheduled to end in less than two years, and free cash flow remains difficult without them. Verizon Communications Inc. (VZ - Free Report) , by comparison, reported 9.9% growth in first-half 2026 operating cash flow and 16% growth in free cash flow, highlighting the importance of durable cash conversion for network operators.
CCOI's Growth Scores Clash With Its Weak Value Signal
For investors weighing whether to buy now or wait, CCOI offers improving margins and a deeply discounted sales valuation, but refinancing, leverage and cash-flow dependence keep the risk profile elevated. Execution on debt reduction and sustained growth in on-net and wavelength services remains critical.
CCOI currently carries a Zacks Rank #2 (Buy), along with a Growth Score of A, Momentum Score of A, VGM Score of B and Value Score of D. The current fiscal-year earnings estimate has improved 36.4% over the past four weeks. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
A Zacks Rank #2 paired with A or B Style Scores is generally favorable for the one- to three-month horizon. The Value Score of D, however, makes the low sales multiple less persuasive for value-focused investors and supports a measured approach until cash generation and refinancing progress become clearer.
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Is CCOI a Buy as Margins Improve but Refinancing Risks Stay High?
Key Takeaways
Cogent Communications Holdings, Inc. (CCOI - Free Report) offers investors a sharp trade-off. Its valuation is near a five-year low and operating efficiency is improving, but leverage and refinancing needs remain substantial.
The investment question is whether growth in higher-margin on-net and wavelength services can strengthen earnings and cash generation fast enough to offset continued revenue pressure and the cost of refinancing.
CCOI's Valuation Sits Near Its Five-Year Low
CCOI trades at a trailing 12-month enterprise-value-to-sales ratio of 1.14, barely above its five-year low of 1.12 and far below the five-year median of 4.84. The discount leaves room for upside if operating trends stabilize.
Cheapness alone is not enough. Second-quarter 2026 service revenues fell 4.3% year over year to $235.6 million, reflecting weakness in the acquired Sprint wireline business and off-net services. That revenue pressure helps explain why the multiple remains depressed.
Cogent's Higher-Margin Services Are Gaining Weight
On-net revenues increased to $135.4 million in the second quarter from $132.3 million a year earlier. Wavelength revenues rose to $14.8 million from $9.1 million, while on-net revenue including wavelengths advanced 6.2% year over year to $150.2 million.
The mix shift is improving profitability. Non-GAAP gross margin reached 47%, up from 44.4% a year earlier, while adjusted EBITDA margin was 30.2% versus 29.8%. Continued growth in these higher-margin services could help Cogent absorb pressure from lower-margin businesses.
CCOI Still Carries Material Refinancing Risk
Net leverage adjusted for amounts due from T-Mobile fell to 6.23 times in the second quarter from 6.79 times in the prior quarter after Cogent sold data-center assets and repurchased debt. Even after that improvement, leverage remains a central constraint.
The company must refinance $750 million of unsecured notes maturing in June 2027 and expects the transaction to be completed in the third quarter of 2026. Management indicated that new funding will likely cost more. Lumen Technologies, Inc. (LUMN - Free Report) has emphasized debt reduction and a lower cost of capital while continuing network investment, illustrating why financing flexibility matters in this capital-intensive industry.
Cogent's Cash Flow Needs More Durable Support
Operating cash flow improved to $3.2 million in the second quarter from a $44 million use of cash a year earlier. First-half 2026 operating cash flow reached $18 million compared with a $7.7 million use of cash in the prior-year period.
Image Source: Zacks Investment Research
That progress is not yet self-sustaining. T-Mobile payments are scheduled to end in less than two years, and free cash flow remains difficult without them. Verizon Communications Inc. (VZ - Free Report) , by comparison, reported 9.9% growth in first-half 2026 operating cash flow and 16% growth in free cash flow, highlighting the importance of durable cash conversion for network operators.
CCOI's Growth Scores Clash With Its Weak Value Signal
For investors weighing whether to buy now or wait, CCOI offers improving margins and a deeply discounted sales valuation, but refinancing, leverage and cash-flow dependence keep the risk profile elevated. Execution on debt reduction and sustained growth in on-net and wavelength services remains critical.
CCOI currently carries a Zacks Rank #2 (Buy), along with a Growth Score of A, Momentum Score of A, VGM Score of B and Value Score of D. The current fiscal-year earnings estimate has improved 36.4% over the past four weeks. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
A Zacks Rank #2 paired with A or B Style Scores is generally favorable for the one- to three-month horizon. The Value Score of D, however, makes the low sales multiple less persuasive for value-focused investors and supports a measured approach until cash generation and refinancing progress become clearer.