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CIEN vs VIAV
Which Stock Would AI Choose? Ciena Corporation (CIEN) vs. Viavi Solutions Inc. (VIAV) Stock Comparison
Key Takeaways
- CIEN and VIAV both operate in the communications equipment sector and have posted substantial gains over the past year amid AI-driven network demand.
- CIEN has delivered stronger year-to-date performance relative to its larger market capitalization, supported by robust optical networking backlog and service provider surveys highlighting AI capacity needs.
- VIAV reported a 52.5% year-over-year revenue increase in its latest fiscal quarter, driven by data center infrastructure, aerospace and defense, and contributions from recent acquisitions.
- Both stocks experienced recent price pullbacks in late August 2026, with CIEN trading near $378 and VIAV near $36.54 amid broader sector volatility.
- Analyst sentiment remains constructive for both, with CIEN maintaining Buy ratings and elevated price targets, while VIAV holds a Zacks Rank of #1 (Strong Buy).
- Relative positioning favors CIEN for scale in optical platforms and VIAV for diversified test-and-measurement exposure and margin expansion.
Introduction
Investors and traders comparing CIEN and VIAV seek insights into two technology companies benefiting from AI infrastructure expansion and network modernization. Both firms serve overlapping end markets in communications equipment yet differ in scale, product focus, and growth drivers. This comparison appeals to those evaluating relative momentum, valuation, and sector exposure within the broader technology hardware space. Market participants monitoring AI tailwinds, earnings visibility, and recent price behavior may find the analysis useful for portfolio positioning decisions.
CIEN Overview and Recent Performance
Ciena Corporation (CIEN) provides optical networking systems, software, and services to telecom operators and cloud providers worldwide. The company has capitalized on rising demand for high-capacity connectivity tied to artificial intelligence workloads. In recent weeks, shares have experienced volatility, closing near $378 after a session decline of approximately 5% on August 28, 2026, while maintaining year-to-date gains exceeding 60%. Recent market activity reflects strong fiscal second-quarter results with revenue up 40% year over year and an expanded backlog. Service provider surveys underscore expectations for AI-driven revenue growth, tempered by needs for network upgrades. Analyst coverage remains positive, with multiple Buy ratings and price targets well above current levels ahead of the September 3 earnings release.
VIAV Overview and Recent Performance
Viavi Solutions Inc. (VIAV) delivers network test, monitoring, assurance solutions, and optical technologies across telecommunications, aerospace, defense, and data center markets. The company reported fiscal fourth-quarter revenue growth of 52.5% year over year, supported by data center infrastructure demand and contributions from acquired businesses. Shares traded near $36.54 following a nearly 5% decline on August 28, 2026, after achieving year-to-date advances above 100%. Recent market activity highlights margin expansion and sequential guidance for the first quarter of fiscal 2027. Portfolio diversification into 6G testing and specialized applications has broadened addressable opportunities, while analyst ratings include a Zacks Strong Buy designation.
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Head-to-Head Comparison
CIEN operates at significantly larger scale, with a market capitalization exceeding $53 billion compared to VIAV’s approximately $9 billion. Business models differ markedly: CIEN emphasizes optical platforms and automation software for high-speed connectivity, while VIAV focuses on test and measurement tools plus optical security products. Growth drivers overlap in AI data centers yet diverge elsewhere, with CIEN highlighting service provider optical upgrades and VIAV stressing aerospace, defense, and diversified testing. Recent momentum shows both stocks advancing substantially over twelve months, though CIEN posted stronger longer-term compounded returns. Risk factors include valuation multiples for CIEN and integration execution for VIAV’s acquisitions. Sector exposure centers on communications equipment for both, with sentiment supported by AI infrastructure spending but sensitive to earnings delivery and macroeconomic conditions.
Tickeron AI Verdict
Based on observable factors such as trend consistency in optical networking demand, backlog visibility, and relative positioning within AI infrastructure, Tickeron’s AI would currently assign a higher probabilistic preference to CIEN. The company’s scale, recent revenue acceleration, and elevated analyst targets suggest more stable momentum compared with VIAV’s diversified but smaller profile. This assessment reflects current data patterns rather than forward guarantees.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is CIEN is a Hold and VIAV is a Hold.
| CIEN | VIAV | CIEN / VIAV | |
| Capitalization | 49.6B | 9.56B | 519% |
| EBITDA | 971M | 168M | 578% |
| Gain YTD | 49.459 | 117.452 | 42% |
| P/E Ratio | 78.20 | 350.50 | 22% |
| Revenue | 6.02B | 1.52B | 397% |
| Total Cash | 2.63B | 650M | 405% |
| Total Debt | 3.29B | 698M | 471% |
CIEN | VIAV | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 75 | 50 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 76 Overvalued | 91 Overvalued | |
PROFIT vs RISK RATING 1..100 | 49 | 48 | |
SMR RATING 1..100 | 43 | 92 | |
PRICE GROWTH RATING 1..100 | 45 | 38 | |
P/E GROWTH RATING 1..100 | 88 | 72 | |
SEASONALITY SCORE 1..100 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
CIEN's Valuation (76) in the Telecommunications Equipment industry is in the same range as VIAV (91) in the Electronic Equipment Or Instruments industry. This means that CIEN’s stock grew similarly to VIAV’s over the last 12 months.
VIAV's Profit vs Risk Rating (48) in the Electronic Equipment Or Instruments industry is in the same range as CIEN (49) in the Telecommunications Equipment industry. This means that VIAV’s stock grew similarly to CIEN’s over the last 12 months.
CIEN's SMR Rating (43) in the Telecommunications Equipment industry is somewhat better than the same rating for VIAV (92) in the Electronic Equipment Or Instruments industry. This means that CIEN’s stock grew somewhat faster than VIAV’s over the last 12 months.
VIAV's Price Growth Rating (38) in the Electronic Equipment Or Instruments industry is in the same range as CIEN (45) in the Telecommunications Equipment industry. This means that VIAV’s stock grew similarly to CIEN’s over the last 12 months.
VIAV's P/E Growth Rating (72) in the Electronic Equipment Or Instruments industry is in the same range as CIEN (88) in the Telecommunications Equipment industry. This means that VIAV’s stock grew similarly to CIEN’s over the last 12 months.
| CIEN | VIAV | |
|---|---|---|
| RSI ODDS (%) | 3 days ago 83% | N/A |
| Stochastic ODDS (%) | 3 days ago 75% | 3 days ago 64% |
| Momentum ODDS (%) | 3 days ago 65% | 3 days ago 73% |
| MACD ODDS (%) | 3 days ago 72% | 3 days ago 65% |
| TrendWeek ODDS (%) | 3 days ago 80% | 3 days ago 74% |
| TrendMonth ODDS (%) | 3 days ago 66% | 3 days ago 76% |
| Advances ODDS (%) | 6 days ago 82% | 5 days ago 73% |
| Declines ODDS (%) | 4 days ago 65% | 11 days ago 69% |
| BollingerBands ODDS (%) | 3 days ago 70% | N/A |
| Aroon ODDS (%) | 3 days ago 72% | 3 days ago 73% |
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
CIEN’s FA Score shows that 0 FA rating(s) are green while VIAV’s FA Score has 0 green FA rating(s).
- CIEN’s FA Score: 0 green, 5 red.
- VIAV’s FA Score: 0 green, 5 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
CIEN’s TA Score shows that 4 TA indicator(s) are bullish while VIAV’s TA Score has 4 bullish TA indicator(s).
- CIEN’s TA Score: 4 bullish, 5 bearish.
- VIAV’s TA Score: 4 bullish, 3 bearish.
Price Growth
CIEN (@Telecommunications Equipment) experienced а +8.89% price change this week, while VIAV (@Telecommunications Equipment) price change was +11.16% for the same time period.
The average weekly price growth across all stocks in the @Telecommunications Equipment industry was +2.26%. For the same industry, the average monthly price growth was -9.19%, and the average quarterly price growth was +13.09%.
Reported Earning Dates
CIEN is expected to report earnings on Dec 10, 2026.
VIAV is expected to report earnings on Oct 29, 2026.
Industries' Descriptions
@Telecommunications Equipment (+2.26% weekly)The Telecommunications Equipment industry produces voice and data communications equipment, which includes fiber optic delivery products, digital signal processors, high-speed voice, data and video delivery. Additionally, satellite systems, global positioning systems, wireless data systems, personal communications equipment, telephone handsets and payload equipment for satellites also fall into this category. Apple Inc., QUALCOMM Incorporated and Nokia are major global players in this segment.
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CIEN and
Correlation & Price change
A.I.dvisor indicates that over the last year, CIEN has been closely correlated with LITE. These tickers have moved in lockstep 70% of the time. This A.I.-generated data suggests there is a high statistical probability that if CIEN jumps, then LITE could also see price increases.
| Ticker / NAME | Correlation To CIEN | 1D Price Change % | ||
|---|---|---|---|---|
| CIEN | 100% | +4.48% | ||
| LITE - CIEN | 70% Closely correlated | -0.93% | ||
| VIAV - CIEN | 61% Loosely correlated | +3.61% | ||
| AAOI - CIEN | 52% Loosely correlated | +2.00% | ||
| NOK - CIEN | 45% Loosely correlated | +4.80% | ||
| LTRX - CIEN | 41% Loosely correlated | +3.56% | ||
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VIAV and
Correlation & Price change
A.I.dvisor indicates that over the last year, VIAV has been loosely correlated with LITE. These tickers have moved in lockstep 63% of the time. This A.I.-generated data suggests there is some statistical probability that if VIAV jumps, then LITE could also see price increases.
| Ticker / NAME | Correlation To VIAV | 1D Price Change % | ||
|---|---|---|---|---|
| VIAV | 100% | +3.61% | ||
| LITE - VIAV | 63% Loosely correlated | -0.93% | ||
| CIEN - VIAV | 63% Loosely correlated | +4.48% | ||
| AAOI - VIAV | 53% Loosely correlated | +2.00% | ||
| HLIT - VIAV | 52% Loosely correlated | +3.09% | ||
| CRNT - VIAV | 49% Loosely correlated | +1.97% | ||
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