# Cboe BYX Trading Hours

Cboe BYX is one of Cboe Global Markets’ four U.S. equities exchanges, operating as a distinct electronic order book for trading NMS securities with its own unique fee schedule and market model. It is well known for utilizing Periodic Auctions during regular trading hours to help minimize market impact and provide liquidity

Trading Hours are divided into multiple sessions

#### Cboe BYX - Trading Hours

| Session Name   | Time Zone        | Start Time   | End Time   |
|----------------|------------------|--------------|------------|
| PRE_MARKET     | America/New_York | 04:00        | 09:30      |
| MARKET         | America/New_York | 09:30        | 16:00      |
| POST_MARKET    | America/New_York | 16:00        | 20:00      |