Day traders have expenses. They buy computer equipment, subscribe to research services, pay trading commissions, and hire accountants to prepare their taxes. It adds up, and the tax code recognizes that. That’s why day traders can deduct many of their costs from their income taxes. You’ll make your life as a day trader much easier […] CFA Institute is the global, not-for-profit association of investment professionals that awards the CFA® and CIPM® designations. We promote the highest ethical standards and offer a range of educational opportunities online and around the world.