What time does Costco Wholesale Corporation (cost) trade after hours?

Nasdaq provides market information on after hours trading daily from 4:15 p.m. ET to 3:30 p.m. ET on the following day. Get the latest updates on Costco Wholesale Corporation Common Stock (COST) after hours trades, after hours share volumes, and more. Make informed investments with Nasdaq.

What time is after-hours trading?

After-hours trading typically runs from 4 p.m. to 8 p.m. ET, Monday through Friday. While this session extends the opportunity for trading, the majority of after-hours trading occurs between 4 p.m. and 6 p.m. ET, with activity often slowing significantly after that.

How does after-hours trading affect stock prices?

After-hours trading can have a significant impact on stock prices. Price volatility can be more pronounced during after-market trading due to lower volumes. If a company releases strong earnings after the market closes, its stock price may surge in after-hours trading as investors react to the news.