Opening and Closing Crosses

Nasdaq Opening and Closing Cross Times
(all times Eastern)
Opening Cross Closing Cross
4:00 a.m. Trading and order entry begins 3:50 p.m. Dissemination of imbalance information begins
9:25 a.m. Dissemination of imbalance information begins    
9:30 a.m. The Opening Cross occurs    

 

Security Eligibility

All nationally-listed securities are eligible for the Crosses. All new listings on Nasdaq are added to the Opening and Closing Crosses on the first day of trading.

Order Types

Highlighted below are the order types accepted during the Nasdaq Opening and Closing Crosses. Please refer to the Nasdaq Order Entry Reference Guide for a breakdown of order type by OUCH, RASHport, FIX and QIX connectivity protocols.

ON-OPEN ORDERS Specifically request an execution at the opening price. Can be limit-on-open (LOO) or market-on open (MOO).
IMBALANCE-ONLY OPEN ORDERS Provides liquidity intended to offset on-open orders during the Opening Cross.
  • Must be priced (limit), no market IO orders.
  • IO buy/sell orders only execute at or above/below the 9:30 a.m., ET, offer/bid.
ON-CLOSE ORDERS Specifically request an execution at the closing price.
  • Can be limit-on-close (LOC) or market-on-close (MOC).
IMBALANCE-ONLY CLOSE ORDERS Provides liquidity intended to offset on-close orders during the Closing Cross.
  • Must be priced (limit), no market IO orders.
  • IO buy/sell orders only execute at or above/below the 4:00 p.m., ET, bid/ask.

Imbalance Data

The Net Order Imbalance Indicator (NOII) makes information available that allows for increased liquidity and better trade performance. NOII can have a very positive impact on traders’ ability to perform effectively in a highly competitive environment by providing users with invaluable details about the opening and closing orders and the likely opening and closing prices of a security.

Nasdaq disseminates Opening Cross Net Order Imbalance information between 9:25 and 9:30 a.m., Eastern Time (ET), and Closing Cross Net Order Imbalance information between 3:50 and 4:00 p.m., ET. This data is available by subscription only via:

Firms should contact their market data vendors and service bureaus directly regarding the availability of Nasdaq Net Order Imbalance information.

Additional Information

Contact Information