【03月20日芝加哥商业交易所（CME）黄金、白银、铜成交量及未平仓数据】金十期货3月21日讯，1. 黄金期货成交量为176017手，较上个交易日增加5052手。未平仓合约为536068手，较上个交易日减少1768手。2. 白银期货成交量为55421手，较上个交易日增加780手。未平仓合约为168421手，较上个交易日减少986手。3. 铜期货成交量为65770手，较上个交易日增加9260手。未平仓合约为246273手，较上个交易日增加2238手。
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