Q. Where can I find data about futures and options, or the underlying commodities?

These free web sources provide data about futures and options, as well as about the underlying commodities.

• Market Data - Options Clearing Corporation 

  Statistics from the Options Clearing Corporation. Includes trading volume, put/call ratio, open interest and more.
• Commodity Futures Market Data - Bloomberg 

  Quotes for several actively traded contracts.
• Futures - Yahoo! Finance
  

  Futures and options price quotes and more.
• Commodity Operations Reports - USDA Farm Service Agency
  

  Current and historical (underlying) commodity price reports.
• Petroleum Price Data & Analysis - EIA 

  The Energy Information Administration publishes spot and futures price data.
• USGS Minerals Information: Commodity Statistics and Information 

  The US Geological Survey provides data on mineral and material commodities.