obtained from averages of aggregated price quotes from financial institutions. For details， In May 2026， which are published each business day by 16:30 ET. ， Polish zloty and Thai baht and stopped publishing the exchange rates of the Russian ruble and Saudi riyal. See the exchange rates backgrounder for details. All Bank of Canada exchange rates are indicative rates only， the Bank of Canada began publishing the exchange rates of the Malaysian ringgit， please read our full . Conversions are based on Bank of Canada exchange rates，。