What is the difference between long term capital gains and short term capital gains?

When you buy an investment and then sell it in less than a year, the held longer than one year. Short term gains are taxed at your current federal tax rate and a state tax rate. Long term gains are taxed at 15% for the feds and a state tprofit you've made is called short-term capital gain. Long term capital gain is profit from investments ax(unless you're in the 10% or 15% fed.income tax bracket, then the federal LT gain tax is ZERO in 2008!).