Gold (Au), Bullion 500g is a financial instrument determining the price of a gold bullion in excellent condition on the Russian market relying on the reference price of the Central Bank of Russia, and acts as a benchmark for institutional investors in the metallurgical sector. In March 2026, the maximum reached 6554786.25 RUB, the minimum — 5758721.17 RUB, the average level — 6265382.06 RUB. The calculation is based on the net weight and the reference price for the metal from the Central Bank of Russia, making it a key indicator of market stability.