证券时报·数据宝统计，截至12月18日，市场融资融券余额为24993.66亿元，较前一交易日的25028.46亿元减少34.80亿元。当日京沪深市场融资买入额为1712.25亿元，前一交易日为1843.68亿元；当日的融券卖出量为0.73亿股，前一交易日为1.34亿股。从个券来看，融资方面，共有3745只个券出现融资买入，3752只个券出现融资偿还。其中，融资余额环比增幅前30和环比降幅前30的股票如下：（数据宝）
　　A股融资余额环比增加前30股一览
证券代码证券简称融资余额（万元）环比增长（%）占流通市值比例（%）涨跌幅(%)920526凯华材料2470.86108.231.930.91920262太湖雪890.1844.051.054.05920576天力复合5960.6043.070.689.01603601再升科技61214.3535.426.196.08002491通鼎互联27373.1432.733.574.66920765美之高817.6032.250.59-7.97600343航天动力107873.6330.604.630.83603123翠微股份27166.1530.493.07-3.97002471中超控股36875.1828.654.881.98301408华人健康18548.4125.485.6920.00603708家家悦15707.7825.251.90-1.67300997欢乐家12497.2325.071.12-5.73002519银河电子28090.0724.784.160.83920003中诚咨询481.2624.761.07-1.32002536飞龙股份96987.0224.206.017.47688228开普云27197.8323.911.800.45920278鹿得医疗834.1322.870.9418.52301133金钟股份14349.3621.813.959.80688193仁度生物3113.8821.371.656.84920160北矿检测564.9920.810.853.23300978东箭科技22028.2220.248.740.15002251步步高67803.7319.855.49-1.37688583思看科技10990.0819.726.3710.08301181标榜股份8157.0719.442.419.28920075柏星龙1275.9019.331.2811.50301283聚胶股份5109.4118.732.43-3.98920199倍益康1236.5318.650.915.73920885星辰科技2862.8117.251.2430.00688031星环科技-U53357.8517.195.387.72600188兖矿能源55905.0617.090.693.70　　A股融资余额环比下降前30股一览
证券代码证券简称融资余额（万元）环比降幅（%）占流通市值比例（%）涨跌幅(%)920223荣亿精密1551.40-25.670.77-3.46920992中科美菱891.08-22.791.011.53920422润普食品703.40-21.270.705.56920092汉鑫科技1480.11-19.821.18-4.19920124南特科技1157.93-16.100.77-3.54920018宏远股份1679.86-15.911.36-1.48301502华阳智能9141.58-14.999.041.16920022世昌股份356.06-14.500.68-1.44002922伊戈尔29034.89-14.132.49-2.08002847盐津铺子16619.99-13.930.950.45301292海科新源26412.36-13.895.51-7.33000572海马汽车46500.09-13.653.43-9.34920091大鹏工业861.74-13.570.77-4.25920221易实精密849.63-13.290.760.72300774倍杰特15902.98-12.374.72-3.46002928华夏航空11851.09-12.280.801.40301268铭利达7487.71-11.961.190.00603803瑞斯康达14447.07-11.662.8910.00920748路桥信息569.72-11.570.190.14920367新赣江1350.80-11.251.482.87301139元道通信5926.54-11.224.252.18920035精创电气355.99-11.180.58-3.38000719中原传媒11974.46-10.951.492.81920089禾昌聚合3680.18-10.612.012.35000863三湘印象17581.93-10.582.9310.04603223恒通股份19982.02-10.303.010.00600759洲际油气63031.52-10.125.786.05920438戈碧迦12040.90-10.042.07-5.83688239航宇科技34031.04-9.922.97-3.50920970大禹生物179.38-9.670.31-2.86（文章来源：证券时报网）