| ECF=F | European Union Allowance (EUA) | 64.48 | N/A | Future | NYM |
| UPS | United Parcel Service, Inc. | 147.39 | Industrials | Stocks | NYQ |
| UAL | United Airlines Holdings, Inc. | 53.51 | Industrials | Stocks | NMS |
| UNH | UnitedHealth Group Incorporated | 493.86 | Healthcare | Stocks | NYQ |
| U | Unity Software Inc. | 23.32 | Technology | Stocks | NYQ |
| ON | ON Semiconductor Corporation | 66.38 | Technology | Stocks | NMS |
| X | United States Steel Corporation | 37.17 | Basic Materials | Stocks | NYQ |
| UNP | Union Pacific Corporation | 243.55 | Industrials | Stocks | NYQ |
| NU | Nu Holdings Ltd. | 10.87 | Financial Services | Stocks | NYQ |
| UNG | United States Natural Gas Fund | 14.37 | N/A | ETF | PCX |
| RUN | Sunrun Inc. | 9.71 | Technology | Stocks | NMS |
| OLED | Universal Display Corporation | 156.58 | Technology | Stocks | NMS |
| USO | United States Oil Fund | 80.44 | N/A | ETF | PCX |
| URI | United Rentals, Inc. | 690.92 | Industrials | Stocks | NYQ |
| TCEHY | TENCENT HOLDINGS LIMITED UNSP A | 43.44 | Communication Services | Stocks | PNK |
| UNIT | Uniti Group Inc. | 5.59 | Real Estate | Stocks | NMS |
| UL | Unilever PLC | 50.92 | Consumer Defensive | Stocks | NYQ |
| BYDDY | BYD COMPANY LIMITED UNSP ADR EA | 52.19 | Consumer Cyclical | Stocks | PNK |
| UNFI | United Natural Foods, Inc. | 8.86 | Consumer Defensive | Stocks | NYQ |
| WU | Western Union Company (The) | 13.29 | Financial Services | Stocks | NYQ |
| UMC | United Microelectronics Corpora | 7.76 | Technology | Stocks | NYQ |
| UAA | Under Armour, Inc. | 6.69 | Consumer Cyclical | Stocks | NYQ |
| SUN | Sunoco LP | 56.32 | Energy | Stocks | NYQ |
| ITUB | Itau Unibanco Banco Holding SA | 6.11 | Financial Services | Stocks | NYQ |
| UHS | Universal Health Services, Inc. | 165.10 | Healthcare | Stocks | NYQ |