| Abbreviation | Definition |
|---|---|
| PIM | Putnam Master International Income Fund |
| PIN | A M F Bowling, Inc. |
| PIN | AMF Bowling, Incorporated (de-listed) |
| PIN | AMF Bowling, Incorporated (de-listed) |
| PIO | Pioneer Corporation of Japan |
| PIR | Pier 1 Imports, Inc. |
| PIY | Merrill Lynch Depositor, Inc. Preferred |
| PJJ | Merrill Lynch Depositor, Inc. |
| PKD | Parker Drilling Company |
| PKE | Park Electrochemical Corporation |
| PKF | Pakistan Investment Fund, Inc. |
| PKG | Packaging Corporation of America |
| PKI | Perkin Elmer, Inc. |
| PKS | Six Flags, Inc. (formerly Premier Parks, Inc.) |
| PKS | Six Flags, Incorporated (formerly Premier Parks, Incorporated) |
| PKSPA | Premier Parks, Inc. Preferred A |
| PKW | PowerShares Buyback Achievers |
| PKX | Pohang Iron & Steel, LTD. |
| PKX | Posco, American Depositary Receipts |
| PKY | Parkway Propertys, Inc. |