There is no fixed dollar amount for treaty investment. Trade includes the exchange purchase or sale of goods or services or the transfer of technology. The individual is either the principal trader, who is coming to the U.S. to engage in substantial trade, or an executive, manager or employee with special skills essential to the company. The individual is either the principal investor, who will direct and develop the enterprise or an executive, manager or employee with special skills essential to the company. The investment is not the individuals sole income source.
Immigration laws are complex and do change.