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Oct. 20, 2026, 5:18 p.m. Ciena (CIEN): Is the AI-Optical Boom Enough to Carry It Into the S&P 500?
Sector
Technology
Industry
Communication Equipment
Market Cap
48.49
Volume
1,645,556
P/E
76.5
ROE
22.4
52W High
637.51
52W Low
159.56
Price Overview
Open
336.7
High
350.35
Low
329.0
Intraday Range
6.49%
20D Avg Volume
2,858,138
Distance From 52W High
-46.36%
Technical Levels
20 SMA
379.43
50 SMA
375.63
200 SMA
400.95
Last 7 Trading Days
Date Open High Low Close Volume % Change Gap % Range %
2026-10-20 336.7 350.35 329.0 341.95 1,645,556 ▼ -0.65% -2.18% 6.49%
2026-10-19 348.31 354.45 338.79 344.2 3,063,100 ▲ 3.45% 4.68% 4.62%
2026-10-16 350.95 354.6 330.99 332.73 3,196,800 ▼ -6.67% -1.56% 7.13%
2026-10-15 342.5 357.83 333.15 356.52 3,483,800 ▼ -0.86% -4.76% 7.41%
2026-10-14 393.88 393.88 356.78 359.6 3,324,300 ▼ -10.19% -1.63% 10.4%
2026-10-13 393.33 401.87 381.64 400.4 2,736,500 ▼ -1.14% -2.88% 5.3%
2026-10-12 443.53 445.95 400.2 405.01 3,318,700 ▼ nan% nan% 11.43%
Fundamentals
Business
Sector Technology
Industry Communication Equipment
Market Cap 48.49B
Float Adj MCap 48.27B
Valuation
P/E 76.5
Forward P/E 28.83
P/S 7.25
P/B 15.87
PEG 0.34
Quality Metrics
ROE 22.4%
ROA 7.73%
Gross Margin 44.07%
Operating Margin 18.08%
Profit Margin 10.87%
Trading Metrics
Relative Volume 0.75
Average Volume 2.56M
Beta 1.29
Short Float 4.29%
Latest Q/Q Growth
Revenue 6.39%
Profit 22.09%
Operating Income 26.56%
EPS 22.82%
Quarterly History
Revenue Qtrs 1.67, 1.57, 1.43, 1.35
Profit Qtrs 0.27, 0.22, 0.15, 0.02
Operating Qtrs 0.3, 0.24, 0.19, 0.12
EPS Qtrs 1.83, 1.49, 1.03, 0.13