trades in units of 1,000 troy ounces, with the option for physical delivery in Hong Kong. hkmerc.com hkmerc.com 港商交所的美元白銀合約是以1,000金衡盎司爲交易單位,並以香港爲實物交收地點。 hkmerc.com hkmerc.com [...] fund trust that invests ...