期货小知识：对于同种商品，其现货价格与期货价格存在着两种基本关系。在正常情况下，期货价格高于现货价格(或者近期月份合约价格低于远期合约价格)，称为正向市场;在特殊市场情况下，现货价格高于期货价格(或者近期月份合约高于远期月份合约价格)，称为反向市场。

期货小知识：持仓量是指尚未经相反的期货合约对冲，也未进行实货交割的某种商品期货合约总数量。(商品期货的持仓量指双边持仓，金融期货、利率期货的持仓指单边持仓)

　　证券时报·数据宝统计，截至7月19日收盘，沪深两市共481只个股连续5日或5日以上主力资金净流出。从净流出持续时间来看，双良节能连续24日主力资金净流出，排名第一；力星股份连续17日主力资金净流出，位列第二。从主力资金净流出总规模来看，工业富联主力资金净流出金额最大，连续8天累计净流出25.95亿元，北汽蓝谷紧随其后，5天累计净流出22.75亿元。从主力资金净流出占成交金额的比例来看，ST旭电占比排名居首，该股近9日下跌37.06%。（数据宝）

　　连续5日或以上主力资金净流出个股排名

证券代码证券简称主力资金净流出天数主力资金净流出金额（亿元）主力资金净流出比例（%）累计涨跌幅（%）601138工业富联825.959.86-14.97600733北汽蓝谷522.7510.62-9.53601919中远海控1317.286.94-17.82300502新易盛815.157.07-11.13300308中际旭创813.884.73-12.54688525佰维存储811.489.92-13.49002463沪电股份811.397.41-12.71601328交通银行1110.429.950.83600036招商银行89.665.365.35601169北京银行159.5114.532.03601006大秦铁路157.499.052.67600016民生银行135.648.913.80601600中国铝业55.037.44-8.33000737北方铜业64.788.17-12.96601166兴业银行54.609.481.48000100TCL科技64.396.73-7.23600030中信证券54.374.925.61002823凯中精密74.367.16-19.20601186中国铁建144.129.14-1.61002916深南电路74.115.83-0.11300563神宇股份63.965.71-15.20000630铜陵有色63.9111.33-10.11300857协创数据53.8311.00-8.25600601方正科技63.8210.18-15.11301308江波龙83.796.88-6.17600988赤峰黄金63.715.434.00000807云铝股份83.688.30-9.19300059东方财富63.634.132.59300408三环集团63.248.4511.64688187时代电气123.048.077.29601800中国交建123.009.01-3.82601668中国建筑52.937.330.74600362江西铜业62.647.84-8.40600066宇通客车82.564.35-9.76300496中科创达72.544.90-1.09601658邮储银行72.414.892.26002075沙钢股份92.409.22-10.62601901方正证券82.276.750.13601818光大银行92.275.594.01600518康美药业52.2716.45-5.74300762上海瀚讯52.2411.77-8.50002050三花智控62.225.29-2.93600183生益科技62.055.03-3.72300576容大感光72.043.284.08002409雅克科技52.035.44-5.06000988华工科技62.016.14-5.63000983山西焦煤81.987.98-6.44002142宁波银行51.946.021.78601916浙商银行81.919.922.14001286陕西能源81.836.55-8.95603766隆鑫通用131.839.06-9.69300498温氏股份51.825.017.42601390中国中铁61.766.841.93300825阿尔特61.755.50-7.71002415海康威视61.725.180.66002766索菱股份71.615.08-3.67002128电投能源81.605.92-12.29301548崇德科技161.578.62-5.60600481双良节能241.536.63-20.15601898中煤能源91.526.13-5.22603516淳中科技51.518.43-15.27601229上海银行81.517.142.18000960锡业股份81.483.64-7.66300680隆盛科技161.456.07-6.84002368太极股份51.449.34-14.21601717郑煤机61.3810.54-5.51002165红宝丽101.298.48-6.67000728国元证券121.287.203.31300391长药控股61.284.294.52300590移为通信61.279.60-7.29600487亨通光电61.223.93-6.97000612焦作万方61.189.70-11.44601868中国能建51.179.420.94301133金钟股份61.168.39-11.70600531豫光金铅51.169.80-7.68688213思特威51.157.564.68601136首创证券61.153.99-1.18300017网宿科技81.145.10-2.11002906华阳集团61.044.55-7.16002602世纪华通51.039.53-5.62300107建新股份81.034.74-9.57300475香农芯创51.035.54-2.25002981朝阳科技71.007.11-18.31002015协鑫能科50.985.73-6.49000099中信海直50.953.85-5.93300666江丰电子50.912.786.22002455百川股份60.907.32-8.37000703恒逸石化50.8912.22-4.55000680山推股份60.896.33-12.27300386飞天诚信90.863.41-0.68601998中信银行70.854.38-0.31002922伊戈尔50.845.47-6.61601137博威合金60.848.03-8.87603393新天然气90.806.510.12688120华海清科50.763.7812.76300941创识科技130.754.61-25.22600837海通证券50.754.375.80300421力星股份170.745.89-15.02002902铭普光磁60.736.18-11.99601958金钼股份50.736.630.37

　　注：本文系新闻报道，不构成投资建议，股市有风险好配资炒股开户线上，投资需谨慎。