About: http://webisa.webdatacommons.org/198225162

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Use this test environment to learn trading features such as order types without risk, learn market dynamics in new exchanges and products, and simulate and test trading strategies.
http://www.w3.org/ns/prov#wasQuotedFrom	interactivebrokers.com