| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HIO | Western Asset High Income Opportunity Fund, Inc. | US | NYSE |
| JRO | Nuveen Floating Rate Income Opportuntiy Fund Shares of Beneficial Interest | US | NYSE |
| NMZ | Nuveen Municipal High Income Opportunity Fund | US | NYSE |
| PFO | Flaherty & Crumrine Preferred Income Opportunity Fund Incorporated | US | NYSE |
| PTY | Pimco Corporate & Income Opportunity Fund | US | NYSE |