Ciena Corporation CIEN will report third-quarter fiscal 2026 results on Sept. 3, before market open.
The Zacks Consensus Estimate for earnings for the to-be-reported quarter is pegged at $1.73 per share, indicating growth of 158.2% from the year-ago reported figure.
Analysts have revised their estimates marginally upward for CIEN’s bottom line over the past 60 days.
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The consensus estimate for total revenues is pinned at $1.64 billion, implying an increase of 34.6% year over year.
For the fiscal third quarter, management expects revenues of $1.625 billion (+/- $50 million).
What Our Model Predicts for CIEN
Our proven model predicts an earnings beat for CIEN this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy), or 3 (Hold) increases the chances of an earnings beat. That is the case here. You can uncover the best stocks to buy or sell before they are reported with our Earnings ESP Filter.
CIEN has an Earnings ESP of +0.58% and a Zacks Rank #3.
You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
Factors to Focus on Ahead of CIEN’s Q3 Earnings
Ciena continues to benefit from robust demand for high-speed connectivity solutions, supported by growing network requirements associated with AI. In the second quarter of fiscal 2026, the company reported record revenues of $1.57 billion, up 40% year over year. On the last earnings call, management highlighted strong demand from cloud providers, hyperscalers and service providers as customers increasingly prioritize high-capacity, low-latency and high-speed connectivity to support AI model training, data ingestion and inference. The company also noted that leading hyperscalers have increased their 2026 capital expenditure plans, with indications of continued expansion into 2027 and beyond, while service providers are reinvesting in network infrastructure after several years of relatively muted spending.
Strong demand across Ciena’s Optical Networking and Routing and Switching businesses is another important factor. Optical Networking revenues increased 42% year over year in the fiscal second quarter, driven by strong demand for the RLS and Waveserver product lines, both of which grew more than 55%. Routing and Switching revenues increased 88%, primarily reflecting the continued ramp of Ciena’s data center out-of-band management, or DCOM, solution. Direct cloud customer revenues increased 70% year over year, while service provider revenues grew 28%. India service provider revenues more than doubled year over year, reflecting strong demand for managed optical fiber network, or MOFN, deployments.
Ciena is also witnessing continued momentum across its data center and interconnect portfolio. DCOM continues to ramp, with initial orders received from a second hyperscaler customer and lab qualifications progressing with a third hyperscaler. Ciena continues to see strong hyperscaler demand for its 400-gig and 800-gig pluggables and remains on track to more than double pluggable revenues from fiscal 2025 levels. The company also secured its first win with a major switch OEM for its WaveLogic 5 and 6 Nano pluggables.
Ciena Corporation Price, Consensus and EPS Surprise
Ciena Corporation price-consensus-eps-surprise-chart | Ciena Corporation Quote
The company’s strong backlog also provides substantial visibility. Ciena ended the fiscal second quarter with a backlog of $7.7 billion, up more than $600 million sequentially, and management expects backlog to increase further through the remainder of fiscal 2026. Robust order flows, customer collaboration, a growing services business and the company’s backlog are providing strong visibility into fiscal 2027. Of the $7.7 billion backlog, approximately $6.4 billion represents hardware, with about 80% of that amount expected to be delivered over the following 12 months. On the last earnings call, management also stated that customers would take additional products in fiscal 2026 if Ciena were able to deliver them and that the company is not seeing order cancellations, delivery pushouts or inventory accumulation at customers.
Ciena’s margin performance also remains an important factor. Adjusted gross margin reached 44.9% in the fiscal second quarter, driven by engineering cost reductions, product mix and price optimization. Management continues to focus on engineering-driven cost reductions, supply-chain optimization and value-exchange opportunities with customers, including pricing opportunities across the product portfolio. For the fiscal third quarter, Ciena expects revenues of $1.625 billion, plus or minus $50 million. Adjusted gross margin is expected to be 45%, plus or minus 50 basis points, while adjusted operating expenses are projected at $410 million, plus or minus $10 million. Adjusted operating margin is anticipated to be between 19% and 20%.
However, supply continues to lag demand across the industry. On the last earnings call, management stated that Ciena continues to operate in a supply-constrained environment and is working with suppliers and customers to secure additional capacity to support its growing backlog. The company is experiencing constraints in certain modem components, including CDMs, as well as pump lasers used in amplifiers and line systems. Ciena is making additional investments with suppliers to secure long-term supply and manufacturing capacity and remains on track to spend $250-$275 million in capital expenditures during fiscal 2026. Management also continues to monitor inflationary pressures and product mix while using engineering cost reductions and supply-chain initiatives to mitigate higher input costs. These might have negatively impacted the company’s third-quarter performance.
Stiff competition from Cisco Systems, Inc. CSCO, Nokia NOK and Arista Networks, Inc. ANET remains a concern.
CIEN Stock Performance
Ciena shares have risen 325.5% over the past year, outperforming the Zacks Computer & Technology sector and the Zacks Communication - Components industry’s growth of 31.9% and 198.8%, respectively. The S&P 500 Composite has returned 23.1% over the same time frame.
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Shares of the company’s peers CSCO, NOK and ANET have surged 65.6%, 149.4% and 47.2%, respectively, in the same period.
CIEN's Valuation
In terms of Price/Book, CIEN shares are trading at 19.57X, higher than the Communication - Components industry’s 10.67X, indicating more risk than opportunity.
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In comparison, CSCO, NOK and ANET trade at multiples of 8.79X, 2.46X and 17.14X, respectively.
What to Do With CIEN Stock Before Q3 Earnings?
Ciena’s strong AI-driven demand, expanding cloud opportunities, robust backlog and positive Earnings ESP bode well ahead of fiscal third-quarter earnings. However, persistent supply constraints and premium valuation remain a concern.
New investors may be better off waiting for a more attractive entry point before initiating a position.
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This article originally published on Zacks Investment Research (zacks.com).