Please note that SLVR and COPPER contracts rollover procedures will start on June 22: there will be new September contracts (SLVR.SEP5, COPPER.SEP5) available for trading; July contracts (SLVR.JUL5, COPPER.JUL5) will be set in "close-only" mode. All SLVR.JUL5 and COPPER.JUL5 open positions should be liquidated by the close of June 29 trading session.