| ECF=F | European Union Allowance (EUA) | 64.48 | N/A | Future | NYM |
| UPS | United Parcel Service, Inc. | 146.62 | Industrials | Stocks | NYQ |
| UAL | United Airlines Holdings, Inc. | 52.67 | Industrials | Stocks | NMS |
| UNH | UnitedHealth Group Incorporated | 487.30 | Healthcare | Stocks | NYQ |
| U | Unity Software Inc. | 23.57 | Technology | Stocks | NYQ |
| X | United States Steel Corporation | 36.60 | Basic Materials | Stocks | NYQ |
| ON | ON Semiconductor Corporation | 65.53 | Technology | Stocks | NMS |
| UNG | United States Natural Gas Fund | 14.36 | N/A | ETF | PCX |
| NU | Nu Holdings Ltd. | 10.77 | Financial Services | Stocks | NYQ |
| RUN | Sunrun Inc. | 10.02 | Technology | Stocks | NMS |
| UNP | Union Pacific Corporation | 231.98 | Industrials | Stocks | NYQ |
| USO | United States Oil Fund | 79.64 | N/A | ETF | PCX |
| OLED | Universal Display Corporation | 156.44 | Technology | Stocks | NMS |
| URI | United Rentals, Inc. | 655.19 | Industrials | Stocks | NYQ |
| TCEHY | TENCENT HOLDINGS LIMITED UNSP A | 43.85 | Communication Services | Stocks | PNK |
| UNIT | Uniti Group Inc. | 5.71 | Real Estate | Stocks | NMS |
| UNFI | United Natural Foods, Inc. | 8.82 | Consumer Defensive | Stocks | NYQ |
| UAA | Under Armour, Inc. | 6.85 | Consumer Cyclical | Stocks | NYQ |
| ITUB | Itau Unibanco Banco Holding SA | 6.21 | Financial Services | Stocks | NYQ |
| BYDDY | BYD COMPANY LIMITED UNSP ADR EA | 51.21 | Consumer Cyclical | Stocks | PNK |
| UIS | Unisys Corporation New | 5.54 | Technology | Stocks | NYQ |
| SUN | Sunoco LP | 56.38 | Energy | Stocks | NYQ |
| UMC | United Microelectronics Corpora | 7.70 | Technology | Stocks | NYQ |
| UL | Unilever PLC | 48.07 | Consumer Defensive | Stocks | NYQ |
| WU | Western Union Company (The) | 13.59 | Financial Services | Stocks | NYQ |