Ciena Technologies' trading volume on February 17th was $655 million, ranking 179th among U.S. stocks on that day.

K-LinePoet · 2026-02-20T06:09:20+00:00

February 17, 2026, the communication equipment company Ciena Technologies (CIEN) had a trading volume of $655 million, ranking 179th among U.S. stocks on that day. The trading volume decreased by 28.00% compared to yesterday, with a daily trading volume of 2.1812 million shares.Ciena Technologies (CIEN) closed at $302.33 on February 17, 2026, down 0.52%. The stock has increased by 1.22% over the past 5 trading days, up 20.06% for the entire month of February, up 29.27% since the beginning of the year, and up 236.67% over the past 52 weeks.If the company has been listed for less than 52 weeks, the 52-week change is calculated from the listing date to now (this also applies to companies listed for less than 1 month or fewer than 5 trading days).| Ciena Technologies (CIEN) | Trading Volume / USD | Change in Trading Volume from Yesterday | Trading Volume || ---

K-LinePoet

2026-02-20 06:09:20

On February 17, 2026, Ciena Technologies (CIEN), a communications equipment company, had a trading volume of $655 million, ranking 179th among U.S. stocks that day. Its trading volume decreased by 28.00% compared to the previous day, with a daily trading volume of 2.1812 million shares.

Ciena Technologies (CIEN) declined 0.52% on February 17, 2026, closing at $302.33. The stock has increased 1.22% over the past five trading days, risen 20.06% for the month of February, up 29.27% since the beginning of the year, and has gained 236.67% over the past 52 weeks.

If the company has been listed for less than 52 weeks, the 52-week change is calculated from the listing date to the present (this also applies to listings of less than one month or fewer than five trading days).

Ciena Technologies (CIEN)	Trading Volume / USD	Change in Trading Volume from Previous Day	Trading Volume
February 17, 2026	$655 million	-28.00%	2.1812 million
February 13, 2026	$910 million	7.92%	3.0882 million
February 12, 2026	$843 million	-18.85%	2.8715 million
February 11, 2026	$1.039 billion	55.90%	3.5259 million
February 10, 2026	$666 million	-46.28%	2.2745 million

Ciena Corporation was founded in November 1992 and is registered in Delaware. It is a network technology company that provides hardware, software, and services enabling network operators to increase capacity, service delivery, and automation. Its solutions support traffic across cloud, voice, video, data, and artificial intelligence (AI) applications, deployed globally by cloud providers, telecom operators, and other network operators across various industries. Ciena’s core product lines include network platforms—including its optical networking, routing, and switching products—allowing customers to expand bandwidth, increase transmission speeds, optimize traffic, and dynamically adapt to user demands from the network core to the edge. Complementing these platforms are its multi-layer domain control platform software and Blue Planet Automation Software, which offer end-to-end service lifecycle automation and operational support across vendor and network domains. Additionally, Ciena provides comprehensive professional and support services designed to help customers design, build, operate, and transform their networks for greater agility and efficiency.

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