CIENA CORP's ticker is and the CUSIP is 171779959. A total of 4 filers reported holding CIENA CORP in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 29,000 | $1,154,000 | 0.01% |
| SIMPLEX TRADING, LLC | 724 | $2,882,000 | 0.01% |
| IMC-Chicago, LLC | 58,700 | $2,337,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |