In a move which has gone entirely unnoticed in the precious metals markets, but which signals gold and silver bar delivery constraints for the COMEX gold and silver futures contracts, Chicago Mercantile Exchange Group (CME), operator of the New York based COMEX, has quietly and under the radar, hugely expanded its lists of eligible refinery gold and silver bar brands that can be delivered against the massively traded flagship GC 100 (100 oz gold) and SI (5000 oz silver) contracts.
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