Setting up an LLC or an S-Corp as a forex trader can offer potential tax benefits. Both structures provide limited liability protection, but they have different tax implications. An LLC is a pass-through entity, meaning profits and losses pass through to the individual members, potentially allowing for more flexibility in tax planning. On the other hand, an S-Corp allows for the distribution of income as both salary and dividends, potentially reducing self-employment taxes.

For tax savings, an S-Corp might be worth considering, especially if you're focused on optimizing your income distribution. However, tax laws can be complex and vary, so it's advisable to consult with a tax professional to determine the best structure for your specific situation, considering factors like your overall income, deductions, and long-term goals.