Is there a reason why forex is not allowed for Arizona residents? Is this just a company rule or some sort of law?The forex market is traded around the globe, virtually around the clock. Learn more about forex trading with this retail forex guide for beginners. Before engaging in any trades, familiarize yourself with the tax implications of buying and selling forex so you can be prepared when tax time rolls around. Yes, a marketplace facilitator may have a physical presence in Arizona. Forex accounts are not available to residents of Ohio or Arizona. Charles Schwab Futures and Forex LLC. Arizona Trade Exchange is a business-to-business organization that includes hundreds of in-demand companies doing business with each other without using cash. When you buy in Forex trading, you purchase one currency while simultaneously selling another.