NYSE
CIEN
Ciena Corporation
- Utilities
- Listed 1997
- 1 day
- −1.2%
- 1 month
- −3.6%
- 1 year
- +328%
$403.76 · Mkt cap $57.2B · P/E 475.01
At the 6 Aug 2026 close
NYSE
Ciena Corporation
$403.76 · Mkt cap $57.2B · P/E 475.01
At the 6 Aug 2026 close
Ciena Corporation trades under the ticker CIEN on NYSE, in the Utilities sector (Telecommunications Equipment). It has been listed since 1997. Its market capitalisation is $57.2B. The last closing price was $403.76, on 6 Aug 2026. It trades at 475.01 times its last reported annual diluted earnings per share. Over the past year the share price is +328%, and −3.6% over the past month. Returns are price returns and exclude dividends.
This page exists because CIEN is one of the shares What A Share can show you. It is not a recommendation, and its appearance here says nothing about whether the company is worth owning.