Trade Hours & Calendar

Hours of Operation

6:00 AM
Start of System Hours
  • Dissemination of messages over the Top of Market Feed (TOM), MIAX Order Feed (MOR), Administrative Information Subscriber Feed (AIS) and Complex Top of Market Feed (cTOM)
7:00 AM
MIAX Express Interface (MEI) Startup
  • Firms can connect to the MIAX Express Interface (MEI) and download products.
7:30 AM
Firm Interface Startup Time
  • Firms can connect to the FIX Gateway and conduct pre-market order activity. All order activity during this time period WILL affect the live book.
  • Firms can send messages over MEI. All MEI activity during this period, prior to the Live Quote Window (LQW), will be acknowledged for connectivity verification purposes, but WILL NOT affect the live quote state.
9:25 AM
Live Quote Window (LQW)
  • Start of Quoting. Quotes entered during LQW WILL be used in Opening process.
9:30 AM - 4:00 PM
Trading Session for Equity Options (ends at 1:00 pm on early closing days)
  • MIAX stops accepting Orders and Quotes at the end of the Trading Session
9:30 AM - 4:15 PM
Trading Session for select ETF and Index Options (ends at 1:15 pm on early closing days)
  • MIAX stops accepting Orders and Quotes at the end of the Trading Session
4:25 PM
End of Order Cancel Acceptance
  • MIAX will stop accepting cancels for orders (ends at 1:25 pm on early closing days)
4:25 PM - 5:00 PM
Dissemination of Nothing Done Messages (1:25 pm to 2:00 pm on early closing days)
  • Final trade corrections and clearing adjustments


HOLIDAY 2016 2017
New Years Day
January 1st
January 1st
(Observed Monday, January 2nd)
Martin Luther King Jr. Day
January 18th
January 16th
Washington’s Birthday
February 15th
February 20th
Good Friday
March 25th
April 14th
Memorial Day
May 30th
May 29th
Independence Day
July 4th
July 4th
July 3rd  *
Labor Day
September 5th
September 4th
Thanksgiving Day
November 24th
November 25th *
November 23rd
November 24th *
December 25th Sunday
(Observed on December 26th)
December 25th

 * Markets will close at 1:00pm on these days 

Have any questions or concerns? Feel free to Contact Us.