These two kinds of analyses work together; they help traders adapt their trading methods in a market that always changes by using both forward-looking and backward-looking perspectives. Technical analysis can also be used in an ex ante setting, where it is employed to anticipate future price changes by examining historical volatility, price, and volume information.
When a bank holds funds in a foreign currency, it is exposed to currency fluctuations. A Vostro account is a local currency account that a foreign bank holds in another bank. It is used to facilitate international transactions and is denominated in the local currency of the bank where the account is held. On the other hand, if a foreign bank has a customer who fr