Tex. Rev. Civ. Stat. art. 8656

Any person, either as agent or principal, who enters into or assists in making any contracts of sale of the sort or character denounced in the preceding Art. 658 for the future delivery of cotton, grain, stocks, or other commodities, or who maintain a bucket shop, as that term is defined in Art. 659, shall be guilty of a felony, and upon conviction, shall be imprisoned in the penitentiary not exceeding two years.