Nasdaq provides after market quotes of stock trades from 4:00 P.M. EST to 8:00 P.M. EST. After Hours participation from Market Makers and ECNs is strictly voluntary. Investors who anticipate trading during these times are strongly advised to use limit orders.
After Hours trade data will be posted from 4:15 P.M. EST to 3:30 P.M. EST of the following day. Please note: After Hours data is delayed at least 15 minutes.