The next step is to adjust the price return index value for the day, not the total return index, using the following formula, which combines the dividends and index price change. (indexologyblog.com)
A common strategy is to combine dividend capture with call writing. (borntosell.com)
So returning $ 17 billion would give B of A a «yield» in combined dividends and buybacks of 7 %. (fortune.com)