AAOI
Price
$34.14
Change
+$2.22 (+6.95%)
Updated
Oct 20 closing price
Capitalization
2.13B
16 days until earnings call
Intraday Buy/Sell Signals
CIEN
Price
$173.12
Change
+$2.17 (+1.27%)
Updated
Oct 20 closing price
Capitalization
24.42B
51 days until earnings call
Intraday Buy/Sell Signals
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AAOI vs CIEN

Header iconAAOI vs CIEN Comparison
Open Charts AAOI vs CIENBanner chart's image
Applied Optoelectronics
Price$34.14
Change+$2.22 (+6.95%)
Volume$6.48M
Capitalization2.13B
Ciena
Price$173.12
Change+$2.17 (+1.27%)
Volume$2.01M
Capitalization24.42B
AAOI vs CIEN Comparison Chart in %
AAOI
Daily Signalchanged days ago
Gain/Loss if bought
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CIEN
Daily Signalchanged days ago
Gain/Loss if bought
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AAOI vs. CIEN commentary
Oct 21, 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 AAOI is a Buy and CIEN is a Buy.

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COMPARISON
Comparison
Oct 21, 2025
Stock price -- (AAOI: $34.14 vs. CIEN: $173.12)
Brand notoriety: AAOI: Not notable vs. CIEN: Notable
Both companies represent the Telecommunications Equipment industry
Current volume relative to the 65-day Moving Average: AAOI: 128% vs. CIEN: 72%
Market capitalization -- AAOI: $2.13B vs. CIEN: $24.42B
AAOI [@Telecommunications Equipment] is valued at $2.13B. CIEN’s [@Telecommunications Equipment] market capitalization is $24.42B. The market cap for tickers in the [@Telecommunications Equipment] industry ranges from $279.29B to $0. The average market capitalization across the [@Telecommunications Equipment] industry is $8.89B.

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).

AAOI’s FA Score shows that 1 FA rating(s) are green whileCIEN’s FA Score has 2 green FA rating(s).

  • AAOI’s FA Score: 1 green, 4 red.
  • CIEN’s FA Score: 2 green, 3 red.
According to our system of comparison, CIEN is a better buy in the long-term than AAOI.

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.

AAOI’s TA Score shows that 5 TA indicator(s) are bullish while CIEN’s TA Score has 3 bullish TA indicator(s).

  • AAOI’s TA Score: 5 bullish, 4 bearish.
  • CIEN’s TA Score: 3 bullish, 3 bearish.
According to our system of comparison, AAOI is a better buy in the short-term than CIEN.

Price Growth

AAOI (@Telecommunications Equipment) experienced а +17.32% price change this week, while CIEN (@Telecommunications Equipment) price change was +5.06% for the same time period.

The average weekly price growth across all stocks in the @Telecommunications Equipment industry was -0.24%. For the same industry, the average monthly price growth was +3.97%, and the average quarterly price growth was +76.81%.

Reported Earning Dates

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

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

Industries' Descriptions

@Telecommunications Equipment (-0.24% 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($24.4B) has a higher market cap than AAOI($2.13B). CIEN YTD gains are higher at: 104.127 vs. AAOI (-7.379). CIEN has higher annual earnings (EBITDA): 433M vs. AAOI (-127.8M). CIEN has more cash in the bank: 1.33B vs. AAOI (64.7M). AAOI has less debt than CIEN: AAOI (211M) vs CIEN (1.59B). CIEN has higher revenues than AAOI: CIEN (4.54B) vs AAOI (368M).
AAOICIENAAOI / CIEN
Capitalization2.13B24.4B9%
EBITDA-127.8M433M-30%
Gain YTD-7.379104.127-7%
P/E RatioN/A176.65-
Revenue368M4.54B8%
Total Cash64.7M1.33B5%
Total Debt211M1.59B13%
FUNDAMENTALS RATINGS
AAOI vs CIEN: Fundamental Ratings
AAOI
CIEN
OUTLOOK RATING
1..100
1729
VALUATION
overvalued / fair valued / undervalued
1..100
65
Fair valued
89
Overvalued
PROFIT vs RISK RATING
1..100
5610
SMR RATING
1..100
9885
PRICE GROWTH RATING
1..100
3735
P/E GROWTH RATING
1..100
66
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.

AAOI's Valuation (65) in the Telecommunications Equipment industry is in the same range as CIEN (89). This means that AAOI’s stock grew similarly to CIEN’s over the last 12 months.

CIEN's Profit vs Risk Rating (10) in the Telecommunications Equipment industry is somewhat better than the same rating for AAOI (56). This means that CIEN’s stock grew somewhat faster than AAOI’s over the last 12 months.

CIEN's SMR Rating (85) in the Telecommunications Equipment industry is in the same range as AAOI (98). This means that CIEN’s stock grew similarly to AAOI’s over the last 12 months.

CIEN's Price Growth Rating (35) in the Telecommunications Equipment industry is in the same range as AAOI (37). This means that CIEN’s stock grew similarly to AAOI’s over the last 12 months.

CIEN's P/E Growth Rating (6) in the Telecommunications Equipment industry is in the same range as AAOI (6). This means that CIEN’s stock grew similarly to AAOI’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
AAOICIEN
RSI
ODDS (%)
Bearish Trend 1 day ago
84%
Bearish Trend 1 day ago
77%
Stochastic
ODDS (%)
Bearish Trend 1 day ago
88%
N/A
Momentum
ODDS (%)
Bullish Trend 1 day ago
75%
N/A
MACD
ODDS (%)
Bullish Trend 1 day ago
82%
Bullish Trend 1 day ago
71%
TrendWeek
ODDS (%)
Bullish Trend 1 day ago
82%
Bullish Trend 1 day ago
73%
TrendMonth
ODDS (%)
Bullish Trend 1 day ago
85%
Bullish Trend 1 day ago
72%
Advances
ODDS (%)
Bullish Trend 1 day ago
84%
Bullish Trend 1 day ago
75%
Declines
ODDS (%)
Bearish Trend 19 days ago
88%
Bearish Trend 27 days ago
66%
BollingerBands
ODDS (%)
Bearish Trend 1 day ago
82%
Bearish Trend 1 day ago
70%
Aroon
ODDS (%)
Bullish Trend 1 day ago
90%
Bullish Trend 1 day ago
80%
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AAOI
Daily Signalchanged days ago
Gain/Loss if bought
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CIEN
Daily Signalchanged days ago
Gain/Loss if bought
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AAOI and

Correlation & Price change

A.I.dvisor indicates that over the last year, AAOI 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 AAOI jumps, then LITE could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To AAOI
1D Price
Change %
AAOI100%
+6.95%
LITE - AAOI
63%
Loosely correlated
-2.29%
CIEN - AAOI
53%
Loosely correlated
+1.27%
HPE - AAOI
52%
Loosely correlated
-0.39%
LASR - AAOI
47%
Loosely correlated
+5.58%
UI - AAOI
46%
Loosely correlated
-1.69%
More

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%
+1.27%
LITE - CIEN
75%
Closely correlated
-2.29%
EXTR - CIEN
56%
Loosely correlated
+1.54%
CSCO - CIEN
55%
Loosely correlated
+0.74%
BDC - CIEN
54%
Loosely correlated
+2.73%
HPE - CIEN
54%
Loosely correlated
-0.39%
More