Your insurance company's customer service representative can help verify your benefits and out-of-pocket costs. Please note that for Blue Cross Blue Shield, UCM does not participate in any of the Blue Choice PPO plans. Please note that this list is subject to change at any time.
Time-weighted return. Related Articles. Time-weighted returns is a measure of the compound rate of return of a portfolio over a stated period of time. It requires a set of sub-period returns to be calculated whenever there is an external cash flow, such as a deposit or withdrawal from the portfolio.
See Yield Calculations for a discussion of the differences between ROI and TWR yields. TWR can be displayed for any investment, symbol, asset type, investment goal, sector, investment type, or sub-portfolio. The formula for calculating the true time-weighted return is: where EMVi is the market value at the end of sub-period i, excluding any cash flows in the period.