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CIEN
Ciena Corporation
stock NYSE

At Close

Sep 25, 2026 3:59:56 PM EDT

356.51USD-0.536%(-1.92)1,618,513

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 25, 2026 9:27:30 AM EDT

367.65USD+2.573%(+9.22)7,548

After-hours

Sep 25, 2026 4:39:30 PM EDT

355.63USD-0.246%(-0.88)39,568

OverviewOptionsHistoricalExchange VolumeShortsMore

CIEN Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	52.27	844,000	47.13
NYSE	20.12	324,782	23.41
Nasdaq GSM	6.36	102,614	8.50
IEX	5.45	87,921	4.92
Cboe BZX	4.88	78,864	4.42
NYSE Arca	3.77	60,799	4.92
Cboe EDGX	3.63	58,549	2.97
MEMX	1.14	18,406	1.25
Cboe BYX	0.62	9,991	0.69
NYSE National	0.37	6,001	0.34
Cboe EDGA	0.36	5,815	0.38
Nasdaq BX	0.34	5,424	0.43
MIAX Pearl	0.25	4,071	0.25
CHX	0.22	3,523	0.12
NYSE American	0.12	1,923	0.11
Nasdaq PHLX	0.07	1,113	0.11
24X National	0.03	546	0.03
Texas Stock Exchange LLC	0.01	233	0.02
LTSE	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

CIEN Nutrition Facts

0.65 servings per container

Serving size

2.48M

Calories

1.61M

% Day

% Avg

Off Exchange¹ 844K

52.27%

47.13%

NYSE 325K

20.12%

23.41%

Nasdaq GSM 103K

6.36%

8.50%

IEX 88K

5.45%

4.92%

Cboe BZX 79K

4.88%

4.42%

NYSE Arca 61K

3.77%

4.92%

Cboe EDGX 59K

3.63%

2.97%

MEMX 18K

1.14%

1.25%

Cboe BYX 10K

0.62%

0.69%

NYSE National 6K

0.37%

0.34%

Cboe EDGA 6K

0.36%

0.38%

Nasdaq BX 5K

0.34%

0.43%

MIAX Pearl 4K

0.25%

CHX 4K

0.22%

0.12%

NYSE American 2K

0.12%

0.11%

Nasdaq PHLX 1K

0.07%

0.11%

24X National 546

0.03%

Texas Stock Exchange LLC 233

0.01%

0.02%

LTSE 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

CIEN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 844,000, which is 52.27% of today's total volume.
Today's Lit volume is 770,575, which is 47.73%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.13%.
The average Lit volume has been 52.87%.

CIEN Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe BYX

NYSE National

Cboe EDGA