Hi Adam, TooF is correct. 7-day SEC yield is used to make annualized apples-to-apples comparisons, originally for money market funds. To calculate for SWVXX see fund profile https://www.schwabfunds.com/products/swvxx here. NAV: $1.00 Daily distribution: $0.000000822 ($0.000000822 * 365) / $1.00 = 0.03% -AIMStudent