www.numa.com
For information on commodity trading and useful links.

www.cme.com (Chicago Mercantile Exchange)
www.kcbt.com (Kansas City Board of Trade)
These exchange sites contain extensive information about financial futures.

www.cftc.gov/cftc/cftchome.htm
www.nfa.futures.org
These are sites of futures regulators.

www.barchart.com/mktcom.asp?code=BSTK
www.futuresource.com
futures.tradingcharts.com/menu.html
General information about futures contracts, including prices, charts, and news.

www.numa.com/ref/exchange.htm
The Numa site has a list of international futures and options exchanges.

www.finpipe.com
Finpipe offers descriptions of various types of swaps and links to related derivatives articles.