long term capital gain 和 ordinary income 是分开税率，ordinary income 超

https://www.bankrate.com/investing/long-term-capital-gains-tax/

Long term capital gain 会算入AGI，但是这不会把你推到更高的tax bracket。所以，如果你今年卖掉这些股票，赚来的钱要交的税取决于你的工资等orginary income 

https://www.nextgen-wealth.com/blog/can-capital-gains-push-me-into-a-higher-tax-bracket