股票HOLD一年以上卖的和income tax不同, 查了一下解释如下：

Short-term capital gains taxes are paid at the same rate as you'd pay on your ordinary income, such as wages from a job. Long-term capital gains tax is a tax applied to assets held for more than a year. The long-term capital gains tax rates are 0 percent, 15 percent and 20 percent, depending on your income