The amount of your RMD is usually determined by the fair market value (FMV) of your IRA as of December 31 of the previous year, factored by your age and your life expectancy using the uniform life expectancy method. Sometimes FMV and RMD calculations need to be adjusted after December 31. If you had a transfer or rollover to your Schwab retirement account(s), a conversion from a traditional IRA to a Roth IRA and back, or any correction for security price after year-end, please call us at 877-298-8010 so we can recalculate your RMD.