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Ciena Corp (CIEN)

Red

Information Technology · As of 17 July 2026

Price chart — 52 weeks

CIEN · 374.41 (last weekly close) SMA 10w SMA 40w
100200300400500600AugSepOctNovDec2026FebMarAprMayJunJul25.0MWeek of Jul 21, 2025 · O 84.50 · H 88.92 · L 83.20 · C 88.60 · Vol 7.2MWeek of Jul 28, 2025 · O 88.75 · H 95.51 · L 87.30 · C 88.63 · Vol 8.9MWeek of Aug 4, 2025 · O 89.42 · H 96.43 · L 88.65 · C 95.06 · Vol 7.5MWeek of Aug 11, 2025 · O 94.75 · H 98.19 · L 89.09 · C 90.87 · Vol 8.5MWeek of Aug 18, 2025 · O 90.46 · H 92.21 · L 84.41 · C 89.81 · Vol 8.0MWeek of Aug 25, 2025 · O 90.12 · H 98.88 · L 89.41 · C 93.97 · Vol 9.5MWeek of Sep 1, 2025 · O 92.68 · H 122.00 · L 90.00 · C 116.69 · Vol 24.2MWeek of Sep 8, 2025 · O 118.45 · H 134.31 · L 117.02 · C 131.28 · Vol 14.3MWeek of Sep 15, 2025 · O 132.00 · H 139.74 · L 131.45 · C 138.37 · Vol 14.7MWeek of Sep 22, 2025 · O 138.06 · H 143.79 · L 133.67 · C 141.93 · Vol 14.4MWeek of Sep 29, 2025 · O 145.81 · H 154.01 · L 143.00 · C 151.45 · Vol 11.6MWeek of Oct 6, 2025 · O 152.68 · H 165.24 · L 147.36 · C 155.94 · Vol 13.1MWeek of Oct 13, 2025 · O 164.00 · H 176.88 · L 159.01 · C 170.95 · Vol 11.6MWeek of Oct 20, 2025 · O 173.63 · H 181.05 · L 159.56 · C 179.05 · Vol 11.3MWeek of Oct 27, 2025 · O 182.63 · H 193.74 · L 173.80 · C 189.92 · Vol 11.2MWeek of Nov 3, 2025 · O 193.34 · H 203.40 · L 177.41 · C 199.26 · Vol 13.7MWeek of Nov 10, 2025 · O 206.80 · H 214.17 · L 183.08 · C 191.71 · Vol 17.9MWeek of Nov 17, 2025 · O 190.80 · H 202.60 · L 168.22 · C 178.26 · Vol 17.1MWeek of Nov 24, 2025 · O 183.05 · H 204.59 · L 182.18 · C 204.21 · Vol 19.4MWeek of Dec 1, 2025 · O 194.49 · H 209.19 · L 186.39 · C 201.71 · Vol 13.2MWeek of Dec 8, 2025 · O 205.00 · H 248.00 · L 203.00 · C 218.44 · Vol 24.2MWeek of Dec 15, 2025 · O 220.84 · H 231.35 · L 201.70 · C 230.34 · Vol 15.4MWeek of Dec 22, 2025 · O 235.00 · H 243.00 · L 230.40 · C 241.68 · Vol 6.4MWeek of Dec 29, 2025 · O 237.26 · H 248.50 · L 230.13 · C 246.06 · Vol 6.1MWeek of Jan 5, 2026 · O 250.34 · H 261.13 · L 216.07 · C 230.56 · Vol 17.2MWeek of Jan 12, 2026 · O 227.59 · H 253.90 · L 223.50 · C 243.42 · Vol 9.5MWeek of Jan 19, 2026 · O 229.15 · H 246.21 · L 220.52 · C 229.14 · Vol 9.5MWeek of Jan 26, 2026 · O 230.00 · H 269.90 · L 225.71 · C 251.81 · Vol 11.0MWeek of Feb 2, 2026 · O 247.93 · H 285.97 · L 238.57 · C 271.32 · Vol 48.1MWeek of Feb 9, 2026 · O 270.70 · H 308.81 · L 266.61 · C 303.92 · Vol 16.1MWeek of Feb 16, 2026 · O 297.91 · H 340.27 · L 286.81 · C 334.95 · Vol 9.3MWeek of Feb 23, 2026 · O 332.86 · H 365.90 · L 326.76 · C 348.70 · Vol 12.5MWeek of Mar 2, 2026 · O 353.76 · H 364.05 · L 278.39 · C 294.17 · Vol 20.0MWeek of Mar 9, 2026 · O 289.49 · H 353.25 · L 287.25 · C 337.38 · Vol 13.2MWeek of Mar 16, 2026 · O 345.00 · H 419.80 · L 344.99 · C 383.89 · Vol 20.9MWeek of Mar 23, 2026 · O 399.40 · H 446.89 · L 387.40 · C 401.61 · Vol 15.8MWeek of Mar 30, 2026 · O 411.00 · H 453.00 · L 361.70 · C 447.76 · Vol 12.8MWeek of Apr 6, 2026 · O 455.45 · H 513.49 · L 421.30 · C 496.02 · Vol 13.8MWeek of Apr 13, 2026 · O 493.44 · H 513.83 · L 454.34 · C 507.43 · Vol 13.7MWeek of Apr 20, 2026 · O 512.00 · H 527.86 · L 467.19 · C 520.80 · Vol 10.2MWeek of Apr 27, 2026 · O 515.82 · H 550.00 · L 461.07 · C 535.29 · Vol 11.0MWeek of May 4, 2026 · O 540.00 · H 583.78 · L 515.49 · C 548.11 · Vol 10.1MWeek of May 11, 2026 · O 558.00 · H 598.84 · L 546.98 · C 554.46 · Vol 8.8MWeek of May 18, 2026 · O 563.49 · H 599.50 · L 499.01 · C 583.74 · Vol 10.0MWeek of May 25, 2026 · O 591.00 · H 605.61 · L 539.57 · C 580.23 · Vol 8.8MWeek of Jun 1, 2026 · O 559.52 · H 637.51 · L 488.14 · C 488.21 · Vol 20.1MWeek of Jun 8, 2026 · O 489.78 · H 493.09 · L 417.34 · C 445.98 · Vol 23.0MWeek of Jun 15, 2026 · O 469.95 · H 479.51 · L 424.33 · C 428.22 · Vol 15.3MWeek of Jun 22, 2026 · O 437.83 · H 494.53 · L 430.51 · C 479.50 · Vol 22.8MWeek of Jun 29, 2026 · O 476.10 · H 491.79 · L 414.17 · C 422.46 · Vol 10.7MWeek of Jul 6, 2026 · O 426.99 · H 485.69 · L 404.43 · C 460.72 · Vol 8.3MWeek of Jul 13, 2026 · O 448.67 · H 466.66 · L 359.01 · C 374.41 · Vol 10.1M374
Weekly candles over the last 52 weeks, split-adjusted, with 10- and 40-week moving averages; trading volume along the bottom. As of Jul 13, 2026.

OakBag’s model puts the fair value of Ciena Corp (CIEN) at about $168.48, against a recent price of $374.41 — a margin of safety of ≤ -122%. On that basis the traffic light is set so it looks expensive or risky. The estimate blends up to 4 independent valuation methods and is benchmarked against other Information Technology names. It is a model estimate for research, not a price target or a recommendation.

Fair value vs. price

Current price
$374.41
Estimated fair value
$168.48
Margin of safety
≤ -122%
−50%0+50%

How the fair value is built

Peer P/E$168.48
Peer EV/EBITDA$168.48
ML-justified$168.48
Cash-flow DCF$168.48
Graham number$23.96

How is this computed?

Why not green?

  • Every valuation method came in far below the price and was raised to the model's outlier floor — the fair value shown is that floor, and the model's true estimate is even lower. Read the margin of safety as “−122% or worse”.

Knock-out safety checks passed

  • Bankruptcy risk (Altman Z″)
  • Negative equity
  • Excessive leverage
  • Illiquid
  • Penny / micro-cap
  • Stale fundamentals
Piotroski F-score
7 / 9
Altman Z-score
5.38
Beneish M-score
-2.84

Quality & factor profile

Value -0.92
Quality +0.34
Profitability -0.27
Momentum +2.42
Growth -0.17
Low volatility -0.48

See the full analysis

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Frequently asked questions

Is Ciena (CIEN) undervalued?

On OakBag’s model, Ciena Corp looks expensive or risky: the estimated fair value is $168.48 versus a recent price of $374.41, a margin of safety of ≤ -122%. This is a model estimate, not investment advice.

What is CIEN’s fair value estimate?

OakBag estimates Ciena Corp’s fair value at about $168.48, blending up to 4 methods — peer P/E, price-to-book, peer EV/EBITDA, a machine-learning valuation and a cash-flow DCF — clipped to a sensible band and taken at the median.

What is margin of safety?

Margin of safety is how far below the estimated fair value the price sits: (fair value − price) ÷ fair value. Here it is ≤ -122%. A positive number means the model sees the stock as cheap; OakBag only turns a stock green above +15%.

Does a green verdict mean I should buy CIEN?

No. OakBag is an educational and research tool, not investment advice. The traffic light is an automated model output based on third-party data that may be delayed or inaccurate. Always do your own research.

Other Information Technology stocks

An educational and research tool — not investment advice. OakBag is an educational and research tool, not investment advice. Scores and rankings are automated model outputs based on third-party data and may be inaccurate or delayed. Nothing here is a recommendation to buy or sell any security. Investing involves risk, including possible loss of principal.