Turnover the share of a portfolio bought and sold over a year; high turnover means frequent realized gains and more tax. Where it's taught Capital Gains: Why Holding On (and Trading Less) Beats the Tax Try it with a calculator Capital Gains Calculator Appears in 2 other lessons Tax-Loss Harvesting: Turning a Loser Into a Tax BreakFees Everywhere: The Costs That Stack Related terms Asset locationCapital gainCost basisLong-term gainRealized vs. unrealized gainShort-term gainTax deferral