Skip to main content
S&P 5007,612.09+0.35%DOW52,054.13-0.07%NASDAQ26,177.24+0.75%BTC$75,768.00-0.75%ETH$2,393.43-1.08%GOLD$4,388.90+1.29%OIL$102.58-3.07%
Smart Investors Daily
CI

NYSE · CIEN

Ciena Corporation

Technology · Communication Equipment

$334.33

Up+$6.03 (+1.80%)

Updated Sep 16, 2026, 4:43 PM

SID Score

5.4/10

Composite research score

Smart Money

55/100

Neutral

Market cap
34.24B
P/E ratio
277.98
Dividend yield
0.00%
52-week range
$130.00 – $637.51
Volume
2.8M
Avg. volume
3.16M

Price performance

CIEN price history

1M range · 0 trading sessions · Daily adjusted prices

CIEN does not have enough price history for the selected period.

Data unavailable

Market data is busy. Please try again shortly.

Latest CIEN news

The latest Smart Investors Daily articles mentioning CIEN.

Stock researchMarket Activity · Institutional Ownership
Loading stock research…

Featured By