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CREF VAs have classes R1 [highest ERs], R2, R3 [lowest ERs] since 4/1/15. Old single-class VAs had ERs similar to the new R2 class. TIAA has also populated the old/non-existing histories of newer classes with those for the older single-classes. TIAA T-REA remains a single class VA.
The Q-symbols for CREF VA classes differ only in the 5th place: R1 has R, R2 has P, R3 has I. So, the charts for R1 and R2 classes can be created from the corresponding R3 class charts by simply adjusting the Q-symbols in the URL. See the following example for the CREF Stock.
