All contracts and agreements between customers and brokers relating to the purchase or sale, either upon credit or margin, of any securities, choses in action, or commodities, including all evidences of debt or property and options for the purchase thereof, shares in any corporation or association, bonds, coupons, scrip, rights, and other evidences of indebtedness or property and options for the purchase thereof or anything movable that is bought or sold, wherein it is mutually understood and agreed by the parties thereto that such contracts or agreements shall be terminated, closed or settled according to, or upon the basis of the public market quotations of prices made on any board of trade or exchange upon which such securities, choses in action or commodities are dealt in and without intending a bona fide purchase or sale or the actual bona fide receipt or delivery of the same shall be utterly void and of no effect.