AAOI
Price
$37.17
Change
-$3.83 (-9.34%)
Updated
Dec 26 closing price
Capitalization
2.8B
54 days until earnings call
Intraday BUY SELL Signals
CIEN
Price
$241.68
Change
+$1.40 (+0.58%)
Updated
Dec 26 closing price
Capitalization
33.84B
68 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$37.17
Change-$3.83 (-9.34%)
Volume$3.83M
Capitalization2.8B
Ciena
Price$241.68
Change+$1.40 (+0.58%)
Volume$946.95K
Capitalization33.84B
AAOI vs CIEN Comparison Chart in %
AAOI
Daily Signal:
Gain/Loss:
CIEN
Daily Signal:
Gain/Loss:
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VS
AAOI vs. CIEN commentary
Dec 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 AAOI is a Hold and CIEN is a Buy.

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COMPARISON
Comparison
Dec 27, 2025
Stock price -- (AAOI: $37.17 vs. CIEN: $241.68)
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: 70% vs. CIEN: 30%
Market capitalization -- AAOI: $2.54B vs. CIEN: $34.04B
AAOI [@Telecommunications Equipment] is valued at $2.54B. CIEN’s [@Telecommunications Equipment] market capitalization is $34.04B. The market cap for tickers in the [@Telecommunications Equipment] industry ranges from $308.82B to $0. The average market capitalization across the [@Telecommunications Equipment] industry is $9.74B.

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 6 TA indicator(s) are bullish while CIEN’s TA Score has 3 bullish TA indicator(s).

  • AAOI’s TA Score: 6 bullish, 4 bearish.
  • CIEN’s TA Score: 3 bullish, 5 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 +18.68% price change this week, while CIEN (@Telecommunications Equipment) price change was +4.92% for the same time period.

The average weekly price growth across all stocks in the @Telecommunications Equipment industry was +0.76%. For the same industry, the average monthly price growth was +2.28%, and the average quarterly price growth was +38.77%.

Reported Earning Dates

AAOI is expected to report earnings on Feb 19, 2026.

CIEN is expected to report earnings on Mar 05, 2026.

Industries' Descriptions

@Telecommunications Equipment (+0.76% 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($33.8B) has a higher market cap than AAOI($2.8B). CIEN YTD gains are higher at: 183.316 vs. AAOI (11.232). CIEN has higher annual earnings (EBITDA): 433M vs. AAOI (-126.64M). CIEN has more cash in the bank: 1.33B vs. AAOI (137M). AAOI has less debt than CIEN: AAOI (235M) vs CIEN (1.59B). CIEN has higher revenues than AAOI: CIEN (4.54B) vs AAOI (422M).
AAOICIENAAOI / CIEN
Capitalization2.8B33.8B8%
EBITDA-126.64M433M-29%
Gain YTD11.232183.3166%
P/E RatioN/A282.68-
Revenue422M4.54B9%
Total Cash137M1.33B10%
Total Debt235M1.59B15%
FUNDAMENTALS RATINGS
AAOI vs CIEN: Fundamental Ratings
AAOI
CIEN
OUTLOOK RATING
1..100
4896
VALUATION
overvalued / fair valued / undervalued
1..100
66
Overvalued
92
Overvalued
PROFIT vs RISK RATING
1..100
465
SMR RATING
1..100
9785
PRICE GROWTH RATING
1..100
3635
P/E GROWTH RATING
1..100
510
SEASONALITY SCORE
1..100
3450

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 (66) in the Telecommunications Equipment industry is in the same range as CIEN (92). This means that AAOI’s stock grew similarly to CIEN’s over the last 12 months.

CIEN's Profit vs Risk Rating (5) in the Telecommunications Equipment industry is somewhat better than the same rating for AAOI (46). 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 (97). 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 (36). This means that CIEN’s stock grew similarly to AAOI’s over the last 12 months.

AAOI's P/E Growth Rating (5) in the Telecommunications Equipment industry is in the same range as CIEN (10). This means that AAOI’s stock grew similarly to CIEN’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
AAOICIEN
RSI
ODDS (%)
Bearish Trend 4 days ago
90%
Bearish Trend 4 days ago
75%
Stochastic
ODDS (%)
Bearish Trend 4 days ago
88%
Bearish Trend 4 days ago
66%
Momentum
ODDS (%)
Bullish Trend 4 days ago
83%
Bullish Trend 4 days ago
63%
MACD
ODDS (%)
Bullish Trend 4 days ago
81%
Bullish Trend 4 days ago
71%
TrendWeek
ODDS (%)
Bullish Trend 4 days ago
82%
Bullish Trend 4 days ago
73%
TrendMonth
ODDS (%)
Bullish Trend 4 days ago
85%
Bullish Trend 4 days ago
72%
Advances
ODDS (%)
Bullish Trend 4 days ago
84%
Bullish Trend 5 days ago
75%
Declines
ODDS (%)
Bearish Trend 11 days ago
88%
Bearish Trend 11 days ago
66%
BollingerBands
ODDS (%)
Bearish Trend 4 days ago
83%
Bearish Trend 4 days ago
70%
Aroon
ODDS (%)
Bullish Trend 4 days ago
88%
Bullish Trend 4 days ago
83%
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AAOI
Daily Signal:
Gain/Loss:
CIEN
Daily Signal:
Gain/Loss:
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AAOI and

Correlation & Price change

A.I.dvisor indicates that over the last year, AAOI has been loosely correlated with CIEN. These tickers have moved in lockstep 61% of the time. This A.I.-generated data suggests there is some statistical probability that if AAOI jumps, then CIEN could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To AAOI
1D Price
Change %
AAOI100%
+0.89%
CIEN - AAOI
61%
Loosely correlated
-0.00%
LITE - AAOI
60%
Loosely correlated
+2.20%
HPE - AAOI
55%
Loosely correlated
-0.57%
BDC - AAOI
52%
Loosely correlated
-0.34%
EXTR - AAOI
50%
Loosely correlated
+0.12%
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 76% 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%
-0.00%
LITE - CIEN
76%
Closely correlated
+2.20%
AAOI - CIEN
61%
Loosely correlated
+0.89%
BDC - CIEN
53%
Loosely correlated
-0.34%
HPE - CIEN
52%
Loosely correlated
-0.57%
CSCO - CIEN
50%
Loosely correlated
N/A
More