Gold and Dollar correlation

Gold : Sign of physical gold: Au from Latin 'aurum'. Atomic number 79. Code: XAU. XAU refers to the ISO 4217 standard code for One troy ounce of physical gold. 1 troy ounce (oz t) = 31.1034768 grams. XAU = 99.99 percent pure gold = 24K gold. 24k gold means that all 24 parts in the gold are all pure gold without traces of any other metals. Gold is relatively rare element and is a precious metal that has been used for coinage, jewelry, and other arts throughout recorded history. In the past, a gold standard was often implemented as a monetary policy, but the world gold standard was abandoned for a fiat currency system after 1971. A total of 197,576 tonnes of gold exists above ground, as of 2019. The world consumption of new gold produced is about 50% in jewelry, 40% in investments, and 10% in industry.

U.S. Dollar Index (USDX, DXY, DX, ICE:DX) : an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies. Euro (EUR, 57.6%) Japanese yen (JPY, 13.6%) Pound sterling (GBP, 11.9%) Canadian dollar (CAD, 9.1%) Swedish krona (SEK, 4.2%) Swiss franc (CHF, 3.6%). USDX started in March 1973 with the value of the U.S. Dollar Index was 100.000, soon after the dismantling of the Bretton Woods system. The index is designed, maintained, and published by ICE (Intercontinental Exchange, Inc.).