| Symbol | Name | Last Trade | Type | Industry/Category | Exchange |
|---|---|---|---|---|---|
| CKSW | ClickSoftware Technologies Ltd. | 7.48 | Stock | Internet Software & Services | NMS |
| CKH | Seacor Holdings Inc. | 77.66 | Stock | Shipping | NYQ |
| CKEC | Carmike Cinemas Inc. | 17.25 | Stock | Movie Production, Theaters | NMS |
| CK13.CBT | Corn May 13 | 722.00 | Future | CBT | |
| CKP | Checkpoint Systems Inc. | 12.19 | Stock | Security & Protection Services | NYQ |
| CKX | CKX Lands Inc. | 14.50 | Stock | Property Management | ASE |
| CKK.V | Cordy Oilfield Services Inc. | 0.16 | Stock | Oil & Gas Equipment & Services | VAN |
| CKFB | CKF Bancorp Inc. | 8.85 | Stock | PNK | |
| CKX.V | CSM Systems Corp. | 0.05 | Stock | Diversified Electronics | VAN |
| CKTM | Commerce Bank of Temecula Valley | 3.65 | Stock | PNK | |
| CKSN.L | Cookson Group plc | 638.50 | Stock | LSE | |
| CKS2.F | GOME ELECTRICAL APP | 0.08 | Stock | Specialty Retail, Other | FRA |
| CKKRX | Columbia Income Builder R5 | 11.88 | Mutual Fund | NAS | |
| CKKFF | Cordy Oilfield Services Inc. | 0.27 | Stock | PNK | |
| CKGT | China Kangtai Cactus Bio-Tech Inc. | 0.03 | Stock | PNK | |
| BKI-CK12-C.PH | NaN | Future | |||
| CKC.F | VOLCANIC METALS | 0.04 | Stock | FRA | |
| OHL-CK12-C.PH | NaN | Future | |||
| CKW.F | CHU KONG SHIPPING | 0.13 | Stock | Shipping | FRA |
| EBR-CK13-C.PH | NaN | Future |