Is US Futures open on Wednesday 5 December 2018?

Yes

Yes. US Futures is open on Wednesday 5 December 2018, trading from 18:00 to 18:00 EST (Chicago time).

18:00^{−1 previous day}–18:00 EST

Regular hours

Related markets on 5 Dec 2018

CME Equity	National Day of Mourning for former President George H. W. Bush
NYSE	National Day of Mourning for former President George H. W. Bush
Nasdaq	National Day of Mourning for former President George H. W. Bush
CFE	National Day of Mourning for former President George H. W. Bush
CME	Market holiday
TSX	09:30–16:00
B3	10:00–17:00
NYMEX Energy	17:00^{−1 previous day}–16:00
COMEX	17:00^{−1 previous day}–16:00
CME FX	17:00^{−1 previous day}–16:00