C.R.S. § 6-4-104
6-4-104. Illegal restraint of trade or commerce
6-4-104. Illegal restraint of trade or commerce. (1) Entering into or engaging in any of the following in restraint of trade or commerce is illegal:
(a) A contract;
(b) A combination in the form of a trust or other form of combination; or
(c) A conspiracy.