What is the meaning of high grade?

Credit quality of AA or AAA.

Barry Goldsmith
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APABarry Goldsmith. (2010). high grade. Retrieved September 21, 2026, from http://smartdefine.org/high_grade/definitions/1155392
ChicagoBarry Goldsmith. 2010. "high grade" http://smartdefine.org/high_grade/definitions/1155392 (accessed September 21, 2026).
HarvardBarry Goldsmith 2010, high grade, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/high_grade/definitions/1155392>.
MLABarry Goldsmith. "high grade" 21 October 2010. Web. 21 September 2026. <http://smartdefine.org/high_grade/definitions/1155392>