CIEN · Ciena Corp
$428.77
-14.02 (-3.17%)
At close · Aug 14
Market Cap
$60.69B
Shares
141.55M
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-07-06 | 2,351,325 | 1,703,110 | 4,054,435 | 48.8% |
| 2026-06-29 | 2,801,304 | 3,023,946 | 5,825,250 | 54.4% |
| 2026-06-22 | 4,959,776 | 5,617,749 | 10,577,525 | 46.4% |
| 2026-06-15 | 3,088,687 | 3,490,481 | 6,579,168 | 42.9% |
| 2026-06-08 | 6,250,981 | 5,030,876 | 11,281,857 | 49.0% |
| 2026-06-01 | 5,359,547 | 4,087,332 | 9,446,879 | 47.0% |
| 2026-05-25 | 2,100,321 | 1,658,096 | 3,758,417 | 42.5% |
| 2026-05-18 | 3,113,024 | 1,627,705 | 4,740,729 | 47.5% |
| 2026-05-11 | 2,072,834 | 1,580,007 | 3,652,841 | 41.5% |
| 2026-05-04 | 2,654,309 | 1,717,981 | 4,372,290 | 43.2% |
| 2026-04-27 | 2,847,066 | 2,127,415 | 4,974,481 | 45.2% |
| 2026-04-20 | 2,705,308 | 2,291,065 | 4,996,373 | 48.8% |
| 2026-04-13 | 3,614,962 | 2,891,346 | 6,506,308 | 47.3% |
| 2026-04-06 | 3,573,152 | 3,216,425 | 6,789,577 | 49.2% |
| 2026-03-30 | 3,601,320 | 2,732,890 | 6,334,210 | 49.4% |
| 2026-03-23 | 3,472,390 | 3,382,854 | 6,855,244 | 43.3% |
| 2026-03-16 | 4,159,756 | 4,699,421 | 8,859,177 | 42.3% |
| 2026-03-09 | 3,633,438 | 2,312,507 | 5,945,945 | 45.0% |
| 2026-03-02 | 5,618,782 | 3,383,083 | 9,001,865 | 45.0% |
| 2026-02-23 | 3,239,034 | 2,352,188 | 5,591,222 | 44.7% |
| 2026-02-16 | 2,286,779 | 1,742,278 | 4,029,057 | 43.2% |
| 2026-02-09 | 4,668,367 | 2,592,486 | 7,260,853 | 45.2% |
| 2026-02-02 | 5,779,232 | 20,134,324 | 25,913,556 | 53.9% |
| 2026-01-26 | 3,423,605 | 1,951,037 | 5,374,642 | 48.7% |
| 2026-01-19 | 2,952,602 | 1,210,127 | 4,162,729 | 43.7% |
| 2026-01-12 | 2,696,636 | 1,668,086 | 4,364,722 | 45.8% |
| 2026-01-05 | 5,264,661 | 3,090,564 | 8,355,225 | 48.5% |
| 2025-12-29 | 1,713,252 | 950,069 | 2,663,321 | 43.8% |
| 2025-12-22 | 1,744,944 | 1,103,195 | 2,848,139 | 44.5% |
| 2025-12-15 | 3,954,901 | 2,216,357 | 6,171,258 | 40.2% |
| 2025-12-08 | 7,259,822 | 3,973,547 | 11,233,369 | 46.5% |
| 2025-12-01 | 4,227,876 | 1,814,931 | 6,042,807 | 45.9% |
| 2025-11-24 | 2,979,473 | 4,379,908 | 7,359,381 | 37.9% |
| 2025-11-17 | 5,759,171 | 1,860,859 | 7,620,030 | 44.5% |
| 2025-11-10 | 5,416,165 | 2,046,009 | 7,462,174 | 41.6% |
| 2025-11-03 | 4,149,238 | 1,699,479 | 5,848,717 | 42.6% |
| 2025-10-27 | 3,494,330 | 1,702,264 | 5,196,594 | 46.5% |
| 2025-10-20 | 3,575,581 | 1,745,606 | 5,321,187 | 47.2% |
| 2025-10-13 | 3,754,530 | 1,274,425 | 5,028,955 | 43.3% |
| 2025-10-06 | 4,404,750 | 1,630,646 | 6,035,396 | 46.0% |
| 2025-09-29 | 3,192,138 | 1,221,715 | 4,413,853 | 38.2% |
| 2025-09-22 | 4,246,757 | 2,202,910 | 6,449,667 | 44.7% |
| 2025-09-15 | 3,559,216 | 2,270,991 | 5,830,207 | 39.7% |
| 2025-09-08 | 4,285,969 | 1,867,901 | 6,153,870 | 43.0% |
| 2025-09-01 | 6,936,223 | 3,455,253 | 10,391,476 | 43.0% |
| 2025-08-25 | 2,815,018 | 1,230,114 | 4,045,132 | 42.4% |
| 2025-08-18 | 2,086,277 | 1,248,762 | 3,335,039 | 41.5% |
Showing 1–47 of 47 weeks
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CIK
936395
CUSIP
171779309
13F (30d)
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