Precious metals prices constantly change throughout the day. Bid and ask prices shown here represent the last published prices per ounce updated from Monex. Monex monitors marketplace activities and adjusts its Ask, Bid and Spot prices as many times as necessary throughout its 11-hour trading day. In active market conditions when metal prices can become extremely volatile, prices can change almost continuously, moving up and/or down many times in a single minute, and for hours on end.