Read our page International Tax Matters.
http://www.greentradertax.com/trader-tax-center/international-tax-matters/.
Excerpts:
U.S. residents living abroad
U.S. tax residents are liable for federal tax on worldwide income whether they live in the U.S. or a foreign country. The U.S. is not accommodating like some foreign countries which exempt their residents abroad on income sourced outside the home country. The U.S. does give some tax equalization benefits to its residents abroad like the Section 911 exclusion on foreign earned income and a housing allowance, both reported on Form 2555.....
Renouncing U.S. citizenship or surrendering a green card
Trading is virtual and many American traders can easily move almost anywhere in the world, providing they have good access to the markets they trade. Some countries have much lower tax rates than the U.S. and a few countries exempt capital gains from tax. But few traders have surrendered their U.S. resident status (citizenship or green card) which requires potentially paying a Section 877A expatriation tax. The expatriation tax ........
U.S. possessions
Puerto Rico (PR) is a one of the most popular U.S. possessions and it enacted new tax incentive acts that are tailor-made for traders/investors, investment managers and financial institutions. Enacted in 2012, PR Act 22 allows investors and traders with bona fide residence in Puerto Rico to exclude 100% of all short-term and long-term capital gains from the sale of personal property accrued after moving there.....
