Calendar
When the exchange is actually open
Holidays are computed from the rules that define them rather than tabulated, so Good Friday, half-days and the Saturday New Year exception are all handled. Half-days close at 13:00 and post-market ends at 17:00.
Right now
pre
06:00:09 ET
Next open
08-10 09:30
in 3h 29m
Last close
08-07 16:00
Shut for
2d 14h
Session
Pre-market
Eastern time
06:00
Shut for
2d 14h
Next open
08-10 09:30
00:0004:0009:3016:0020:0024:00
Regular 09:30–16:00Extended 04:00–09:30, 16:00–20:00Shut
Session boundaries · eastern time
Pre-market04:00 – 09:30tradeable, thin, wide quotes
Regular09:30 – 16:00the only session /session calls open
Post-market16:00 – 20:00tradeable, thin
Shut20:00 – 04:00plus weekends and market holidays
block not yet readas of 2026-08-10T06:00:09-04:00session state is pure computation: no network, no failure modechain 4663 · Robinhood Chain