iqfeed

How to read this calendar gathering currently the most frequently traded US futures contracts (CME/CBOT/NYMEX/COMEX/ICE) :

Step One - What you'll need to start:

• Be sure you have a Subscription or trial of Investor/RT.
• DTN IQFeed login credentials, username and pin will be sent to your by DTN when you subscribe to IQFeed. A 7-day Trial of IQFeed is available to new DTN customers.
• Visit the DTN iqfeed website and download the IQFeed client software.(6.2.0.25)