Ciena (CIEN) fundamentals: P/E, valuation, undervalued?
Ciena · Information Technology · ref. ETF XLK · price $399.85
In short — Ciena trades at 133.7× earnings (P/E), 41.4× forward, with a net margin of 7.9 % and revenue growth of +40 %. Read: Cheap for the growth (P/E 41 for ~2383% growth (PEG 0.0)).
Is Ciena stock cheap or undervalued? A good time to buy? Here are its fundamentals — P/E, PEG, margin and income statement — to judge its valuation.
📈 1-year price
$399.85+308.5% over range
Aug 28, 25low $93.59 · high $627Aug 27, 26
📏 Click 2 points (left → right) to measure the change · click again to clear.
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Buy
71% recommend buying · 14 analysts
Valuation : Cheap for the growth — P/E 41 for ~2383% growth (PEG 0.0)
Valuation
133.7
P/E (price/earnings)
41.4
Forward P/E
—
PEG
19.6
Price/book (P/B)
$56.6B
Market cap
2.99
EPS
Profitability & growth
7.9 %
Net margin
+40 %
Revenue growth
+2383 %
Earnings growth
$1.6B
Total debt
Ciena income statement
| Fiscal year | Revenue | Net income | Margin |
|---|---|---|---|
| 2022 | $3.6B | $153M | 4.2 % |
| 2023 | $4.4B | $255M | 5.8 % |
| 2024 | $4.0B | $84M | 2.1 % |
| 2025 | $4.8B | $123M | 2.6 % |
⚠️ Indicative financial data (Yahoo Finance), not investment advice. Amounts in $.
Frequently asked questions
What is Ciena's P/E and is the stock undervalued? What's a good P/E?
Ciena's P/E is 133.7 (forward 41.4). Below ~15 = fairly cheap, above ~30 = expensive. Our valuation verdict: "Cheap for the growth".
Is Ciena profitable?
Ciena has a net margin of 7.9 % (EPS 2.99). The company is profitable.
Is CIEN stock expensive?
Our read: "Cheap for the growth" — P/E 41 for ~2383% growth (PEG 0.0). Cross-check with growth and sector.
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