The period of time given could possibly be pretty limited, nevertheless, for instance 10 minutes (as is the case with JM Bullion). Dealers do that to attempt to protect on their own from fast altering prices. Bodily valuable metals like gold are a hedge to the normal banking program. https://chancecwpgy.blog2news.com/34953307/silver-bullion-gold-price-things-to-know-before-you-buy