| ECF=F | European Union Allowance (EUA) | 69.54 | N/A | Future | NYM |
| UPS | United Parcel Service, Inc. | 137.68 | Industrials | Stocks | NYQ |
| U | Unity Software Inc. | 17.97 | Technology | Stocks | NYQ |
| UNH | UnitedHealth Group Incorporated | 495.00 | Healthcare | Stocks | NYQ |
| UAL | United Airlines Holdings, Inc. | 53.03 | Industrials | Stocks | NMS |
| NU | Nu Holdings Ltd. | 11.82 | Financial Services | Stocks | NYQ |
| X | United States Steel Corporation | 38.05 | Basic Materials | Stocks | NYQ |
| ON | ON Semiconductor Corporation | 73.50 | Technology | Stocks | NMS |
| RUN | Sunrun Inc. | 14.15 | Technology | Stocks | NMS |
| USO | United States Oil Fund | 75.46 | N/A | ETF | PCX |
| UNG | United States Natural Gas Fund | 20.19 | N/A | ETF | PCX |
| ITUB | Itau Unibanco Banco Holding SA | 5.82 | Financial Services | Stocks | NYQ |
| OLED | Universal Display Corporation | 186.04 | Technology | Stocks | NMS |
| UNP | Union Pacific Corporation | 228.95 | Industrials | Stocks | NYQ |
| UAA | Under Armour, Inc. | 6.81 | Consumer Cyclical | Stocks | NYQ |
| SUN | Sunoco LP | 53.64 | Energy | Stocks | NYQ |
| URI | United Rentals, Inc. | 645.10 | Industrials | Stocks | NYQ |
| TCEHY | TENCENT HOLDINGS LIMITED UNSP A | 47.63 | Communication Services | Stocks | PNK |
| BYDDY | BYD COMPANY LIMITED UNSP ADR EA | 57.54 | Consumer Cyclical | Stocks | PNK |
| UL | Unilever PLC | 55.59 | Consumer Defensive | Stocks | NYQ |
| UA | Under Armour, Inc. | 6.65 | Consumer Cyclical | Stocks | NYQ |
| AN | AutoNation, Inc. | 166.31 | Consumer Cyclical | Stocks | NYQ |
| UNIT | Uniti Group Inc. | 3.26 | Real Estate | Stocks | NMS |
| UNFI | United Natural Foods, Inc. | 14.30 | Consumer Defensive | Stocks | NYQ |
| UTHR | United Therapeutics Corporation | 275.25 | Healthcare | Stocks | NMS |