Miss. Code § 87-1-13
Only members of cotton exchanges, grain exchanges, boards of trade or similar institutions organized under the laws of Mississippi or any other state may provide for their use and the use of their clients, private or public wires from cities in Mississippi where such cotton exchanges, grain exchanges, boards of trade or similar institutions are located to other cities without the State of Mississippi where cotton exchanges, grain exchanges, boards of trade or similar institutions are operated, and may receive over such private or public wires and post for their own use and that of their clients and of any person engaged in the production of cotton, grain or other commodities, market quotations and market news, covering cotton, grain, stocks and other commodities, and transmit for execution contracts of sale for future delivery. In all cases it is contemplated that the delivery of the commodity purchased or sold, as the case may be, will be carried out by the principals or their successors or assignees; and that the contract for delivery thereof will be performed or discharged according to the rules of the exchange, board of trade or similar institutions where the contract is executed.
Miss. Code § 87-1-13