SLV - CME reportedly raises gold silver futures margins August, 11 2020 05:59 PM iShares Silver Trust Exchange operator CME Group (NASDAQ:CME) reportedly is raising Comex gold futures initial margins by 6.9% to $10,320 per contract from $9,750 previously.More news on: CME Group Inc., SPDR Gold Trust ETF, iShares Silver Trust ETF, Commodities news, News on ETFs, Read more ...