For Hatch tax reports, we calculate your investment cost using the exchange rate from USD to NZD on the day a transaction (buy or sell order) happens. We use the European Central Bank (ECB) daily exchange rates.
If a transaction happened on a weekend or a day the ECB hasn’t published a rate for, we backtrack until we find the last date a rate was published. For example, if your buy order was completed on a Sunday, we’d use the previous Friday’s USD/NZD rate.
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