Research about codes of corporate ethics has hitherto taken a hypothetical, correct meaning of codes for granted. The article problematises the dichotomous categories intrinsic and subjective meanings of codes. I address the question if professionals in finance accept codes of business. The particular mentality of stockbrokers and traders constructs the way they judge restrictions such as company codes of ethics. While neglecting dimensions of ethics beyond known rules, brokers and traders distrust good ethics as a possible end in itself. Many (...) professionals in the financial market perceive efforts to integrate ethical reasoning in work as only means for maximising business opportunities. (shrink)