沪深300股指期货合约的最低交易保证金为合约价值的(:）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30016' and id < 2431522 and id<>'2431522' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30016' and id > 2431522 and id<>'2431522' order by id asc limit 5