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The Short Answer

Spelling Out Different Index-Calculation Methods

We're setting the record straight on the TR, PR, and NR designations.

Question: I notice that the indexes used to benchmark the performance of stocks, mutual funds, and exchange-traded funds on Morningstar.com have the letters TR, NR, or PR after the name. What do these letters mean?

Answer: The letters you mention refer to how the index's performance was calculated, with different indexes using different methods for various reasons.

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