Commodity Pool Operator (CPO)
A person engaged in a business similar to an investment trust or a syndicate and who solicits or accepts funds, securities, or property for the purpose of trading commodity futures contracts or commodity options. The CPO either itself makes trading decisions on behalf of the pool or engages a commodity trading advisor to do so. See CFTC Backgrounder: Commodity Trading Advisors and Commodity Pool Operators.
Source: Commodity Futures Trading Commission