【04月30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220899手，较上个交易日增加40862手。未平仓合约为442934手，较上个交易日减少8934手。2. 白银期货成交量为58177手，较上个交易日减少7332手。未平仓合约为137963手，较上个交易日减少14706手。3. 铜期货成交量为80442手，较上个交易日增加32797手。未平仓合约为191012手，较上个交易日减少978手。
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