XAU may refer to:
* The
ISO 4217
ISO 4217 is a standard published by the International Organization for Standardization (ISO) that defines alpha codes and numeric codes for the representation of currencies and provides information about the relationships between individ ...
currency code for one troy ounce of
gold
Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal ...
* A symbol for the
Philadelphia Gold and Silver Index, an index of precious metal mining company stocks that are traded on the
Philadelphia Stock Exchange
Philadelphia Stock Exchange (PHLX), now known as Nasdaq PHLX, is the first stock exchange established in the United States and the oldest stock exchange in the nation. The exchange is owned by Nasdaq, which acquired it in 2007 for $652 million, ...
{{disambig