Regarding the API, it is possible to change Passwords like other trading users, etc. On the other hand, regarding the GUI, there is functionality to set the initial Password but there is no functionality to change Passwords. After the TradeGuard UserIDs have been allocated, please set a Password of your choice at initial login. When you want to change a Password, the operation will be, please contact to OSE and upon initializing it at the Exchange, to change the newly initialized Password.