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It also trades on the Hong Kong Stock Exchange (SEHK: 2840), Singapore Stock Exchange (SGX:GLD 10US$), and Tokyo Stock Exchange (TYO: 1326). [6] In June 2018, State Street started the Gold MiniShares (NYSE Arca: GLDM) Trust with a lower expense ratio of 0.18% and a lower NAV at one-hundredth the price of an ounce of gold.
Geometric Brownian motion is used to model stock prices in the Black–Scholes model and is the most widely used model of stock price behavior. [4] Some of the arguments for using GBM to model stock prices are: The expected returns of GBM are independent of the value of the process (stock price), which agrees with what we would expect in ...