South Carolina brokerage account growth calculator

What a taxable index-fund account is actually worth after expense-ratio drag and after South Carolina takes its share of the gain — which, in most states, is not at the federal preferential rate.

South Carolina taxes your gains as ordinary income

There is no state equivalent of the federal preferential rate here — a long-term gain is charged at South Carolina's normal income brackets, exactly like wages. This is the common case, and it surprises people who assume the federal 15% carries over. STILL IN FORCE, AND CHECKED RATHER THAN ASSUMED — this was a live question because Act 110 of 2026 rewrote the South Carolina deduction landscape. S.C. Code Section 12-6-1150 allows individuals, estates and trusts a deduction equal to FORTY-FOUR PERCENT of net capital gain recognised, so only 56% of a long-term gain reaches the South Carolina rate schedule. Act 110 amended Sections 12-6-510, 12-6-50, 12-6-1140, 12-6-4910, 12-6-1720 and 12-6-3632; SECTION 12-6-1150 IS NOT AMONG THEM, and it remains in the codified chapter with no repeal noted. kind is 'ordinary' rather than 'excluded' because the surviving 56% is taxed at the ordinary two-bracket schedule with no separate capital gains rate; exclusionPct carries the discount. The practical effect at 2026 rates: a top-bracket long-term gain faces an effective South Carolina rate of about 2.92% (56% of 5.21%), which is low enough to matter in a relocation comparison. The deduction is for NET CAPITAL GAIN as federally defined, so it reaches the excess of net long-term gain over net short-term loss and not short-term gains.