CIEN
Price
$142.69
Change
+$5.51 (+4.02%)
Updated
Sep 26, 03:34 PM (EDT)
Capitalization
19.35B
76 days until earnings call
CLFD
Price
$33.84
Change
+$0.10 (+0.30%)
Updated
Sep 26, 03:35 PM (EDT)
Capitalization
465.68M
41 days until earnings call
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CIEN vs CLFD

Header iconCIEN vs CLFD Comparison
Open Charts CIEN vs CLFDBanner chart's image
Ciena
Price$142.69
Change+$5.51 (+4.02%)
Volume$800
Capitalization19.35B
Clearfield
Price$33.84
Change+$0.10 (+0.30%)
Volume$200
Capitalization465.68M
CIEN vs CLFD Comparison Chart in %
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CIEN
Daily Signalchanged days ago
Gain/Loss if bought
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CLFD
Daily Signalchanged days ago
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CIEN vs. CLFD commentary
Sep 27, 2025

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 StrongBuy and CLFD is a Buy.

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COMPARISON
Comparison
Sep 27, 2025
Stock price -- (CIEN: $137.17 vs. CLFD: $33.73)
Brand notoriety: CIEN: Notable vs. CLFD: Not notable
Both companies represent the Telecommunications Equipment industry
Current volume relative to the 65-day Moving Average: CIEN: 118% vs. CLFD: 46%
Market capitalization -- CIEN: $19.35B vs. CLFD: $465.68M
CIEN [@Telecommunications Equipment] is valued at $19.35B. CLFD’s [@Telecommunications Equipment] market capitalization is $465.68M. The market cap for tickers in the [@Telecommunications Equipment] industry ranges from $268.22B to $0. The average market capitalization across the [@Telecommunications Equipment] industry is $8.08B.

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 undervalued. 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 2 FA rating(s) are green whileCLFD’s FA Score has 0 green FA rating(s).

  • CIEN’s FA Score: 2 green, 3 red.
  • CLFD’s FA Score: 0 green, 5 red.
According to our system of comparison, CIEN is a better buy in the long-term than CLFD.

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 CLFD’s TA Score has 4 bullish TA indicator(s).

  • CIEN’s TA Score: 4 bullish, 4 bearish.
  • CLFD’s TA Score: 4 bullish, 3 bearish.
According to our system of comparison, CLFD is a better buy in the short-term than CIEN.

Price Growth

CIEN (@Telecommunications Equipment) experienced а -0.63% price change this week, while CLFD (@Telecommunications Equipment) price change was -1.86% for the same time period.

The average weekly price growth across all stocks in the @Telecommunications Equipment industry was -0.13%. For the same industry, the average monthly price growth was +7.00%, and the average quarterly price growth was +53.38%.

Reported Earning Dates

CIEN is expected to report earnings on Dec 11, 2025.

CLFD is expected to report earnings on Nov 06, 2025.

Industries' Descriptions

@Telecommunications Equipment (-0.13% 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.

SUMMARIES
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FUNDAMENTALS
Fundamentals
CIEN($19.3B) has a higher market cap than CLFD($466M). CLFD has higher P/E ratio than CIEN: CLFD (3373.00) vs CIEN (139.97). CIEN YTD gains are higher at: 61.738 vs. CLFD (8.806). CIEN has higher annual earnings (EBITDA): 433M vs. CLFD (9.21M). CIEN has more cash in the bank: 1.33B vs. CLFD (117M). CLFD has less debt than CIEN: CLFD (21.7M) vs CIEN (1.59B). CIEN has higher revenues than CLFD: CIEN (4.54B) vs CLFD (179M).
CIENCLFDCIEN / CLFD
Capitalization19.3B466M4,142%
EBITDA433M9.21M4,703%
Gain YTD61.7388.806701%
P/E Ratio139.973373.004%
Revenue4.54B179M2,537%
Total Cash1.33B117M1,133%
Total Debt1.59B21.7M7,313%
FUNDAMENTALS RATINGS
CIEN vs CLFD: Fundamental Ratings
CIEN
CLFD
OUTLOOK RATING
1..100
256
VALUATION
overvalued / fair valued / undervalued
1..100
86
Overvalued
98
Overvalued
PROFIT vs RISK RATING
1..100
2587
SMR RATING
1..100
8592
PRICE GROWTH RATING
1..100
3560
P/E GROWTH RATING
1..100
845
SEASONALITY SCORE
1..100
5050

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 (86) in the Telecommunications Equipment industry is in the same range as CLFD (98) in the Electronic Components industry. This means that CIEN’s stock grew similarly to CLFD’s over the last 12 months.

CIEN's Profit vs Risk Rating (25) in the Telecommunications Equipment industry is somewhat better than the same rating for CLFD (87) in the Electronic Components industry. This means that CIEN’s stock grew somewhat faster than CLFD’s over the last 12 months.

CIEN's SMR Rating (85) in the Telecommunications Equipment industry is in the same range as CLFD (92) in the Electronic Components industry. This means that CIEN’s stock grew similarly to CLFD’s over the last 12 months.

CIEN's Price Growth Rating (35) in the Telecommunications Equipment industry is in the same range as CLFD (60) in the Electronic Components industry. This means that CIEN’s stock grew similarly to CLFD’s over the last 12 months.

CIEN's P/E Growth Rating (8) in the Telecommunications Equipment industry is somewhat better than the same rating for CLFD (45) in the Electronic Components industry. This means that CIEN’s stock grew somewhat faster than CLFD’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
CIENCLFD
RSI
ODDS (%)
Bearish Trend 2 days ago
67%
Bullish Trend 3 days ago
65%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
56%
Bearish Trend 2 days ago
74%
Momentum
ODDS (%)
Bullish Trend 2 days ago
59%
Bearish Trend 2 days ago
78%
MACD
ODDS (%)
Bullish Trend 2 days ago
68%
Bullish Trend 2 days ago
82%
TrendWeek
ODDS (%)
Bearish Trend 2 days ago
67%
Bearish Trend 2 days ago
77%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
71%
Bullish Trend 2 days ago
83%
Advances
ODDS (%)
Bullish Trend 4 days ago
75%
Bullish Trend 4 days ago
80%
Declines
ODDS (%)
Bearish Trend 2 days ago
66%
Bearish Trend 2 days ago
77%
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
76%
N/A
Aroon
ODDS (%)
Bullish Trend 2 days ago
79%
Bullish Trend 2 days ago
82%
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CIEN
Daily Signalchanged days ago
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CLFD
Daily Signalchanged days ago
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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 75% 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.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To CIEN
1D Price
Change %
CIEN100%
-0.90%
LITE - CIEN
75%
Closely correlated
+4.16%
CSCO - CIEN
55%
Loosely correlated
+0.79%
EXTR - CIEN
55%
Loosely correlated
-2.52%
BDC - CIEN
53%
Loosely correlated
-3.10%
ZBRA - CIEN
53%
Loosely correlated
-2.11%
More

CLFD and

Correlation & Price change

A.I.dvisor indicates that over the last year, CLFD has been loosely correlated with EXTR. These tickers have moved in lockstep 46% of the time. This A.I.-generated data suggests there is some statistical probability that if CLFD jumps, then EXTR could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To CLFD
1D Price
Change %
CLFD100%
-0.74%
EXTR - CLFD
46%
Loosely correlated
-2.52%
DGII - CLFD
44%
Loosely correlated
-0.34%
BDC - CLFD
43%
Loosely correlated
-3.10%
ZBRA - CLFD
41%
Loosely correlated
-2.11%
CIEN - CLFD
41%
Loosely correlated
-0.90%
More