【03月19日芝加哥商业交易所（CME）黄金、白银、铜成交量及未平仓数据】1. 黄金期货成交量为170965手，较上个交易日减少42153手。未平仓合约为538760手，较上个交易日增加5194手。2. 白银期货成交量为54641手，较上个交易日减少11637手。未平仓合约为169487手，较上个交易日减少1079手。3. 铜期货成交量为56510手，较上个交易日减少6807手。未平仓合约为244287手，较上个交易日增加6405手。
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