關於「Period average exchange rate」標籤，搜尋引擎有相關的訊息討論：

Daily Foreign Exchange Rates - Bank of Thailandwww.bot.or.th › Home › Statistics and Dissemination5.5 Exchange rates - Viewpoint (pwc.com)viewpoint.pwc.com › pwc › 55_exchange_rates_USTAIWAN FUTURES EXCHANGE-Market Data-Daily Foreign ...www.taifex.com.tw › enl › eng3 › dailyFXR