Delayed 15 minutes  22 Jul 2014  As of  23:00:08

Price: Exclude Block Trade Transaction
Chg (Change): Change from Prior Settlement Price
Vol (Volume): Include Block Trade Transaction
OI (Open Interest): During Day Session, Open Interest (OI) is the value as of previous trading day (include night session trading of previous trading day). During Night Session, Open Interest (OI) is the value as of the Afternoon Session of current trading day.
SP: Settlement Price
Prior SP: Prior Settlement Price
For Metal Futures and Energy Futures, trading data of date T includes trading data form Night Session of date T-1 and Day Session of date T