一秒跌停，疑似“乌龙指”再现！发生了什么？

上海证券报2022-11-08

11月8日开市，中证1000期指主力合约IM2211以跌停开盘，随后出现快速拉升，大幅收窄跌幅，截至午市收盘，该合约跌0.53%。IM2211合约一秒跌停11月8日9点29分，中证1000期指主力合约IM2211突然触及跌停板，随后迅速拉升。截至午市收盘，IM2211合约跌幅收窄至0.53%。值得注意的是，在IM2211合约异常触及跌停板时，中证1000指数IM2212、IM2303和IM2306...

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·2022-11-09
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height: 30px; margin: 0; padding: 0; border-radius: 50%; float: left;}\n.head .h-content { margin: 0; padding: 0 0 0 9px; float: left;}\n.head .h-name {font-size: 13px; color: #eee; margin: 0;}\n.head .h-time {font-size: 11px; color: #7E829C; margin: 0;line-height: 11px;}\n.small {font-size: 12.5px; display: inline-block; transform: scale(0.9); -webkit-transform: scale(0.9); transform-origin: left; -webkit-transform-origin: left;}\n.smaller {font-size: 12.5px; display: inline-block; transform: scale(0.8); -webkit-transform: scale(0.8); transform-origin: left; -webkit-transform-origin: left;}\n.bt-text {font-size: 12px;margin: 1.5em 0 0 0}\n.bt-text p {margin: 0}\n</style>\n</head>\n<body>\n<div class=\"wrapper\">\n<header>\n<h2 class=\"title\">\n一秒跌停，疑似“乌龙指”再现！发生了什么？\n</h2>\n\n<h4 class=\"meta\">\n\n\n2022-11-08 14:11 北京时间&nbsp;&nbsp;&nbsp;<a href=https://mp.weixin.qq.com/s/xoxGWBObSrPGaPn0Z4AEJQ><strong>上海证券报</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>11月8日开市，中证1000期指主力合约IM2211以跌停开盘，随后出现快速拉升，大幅收窄跌幅，截至午市收盘，该合约跌0.53%。IM2211合约一秒跌停11月8日9点29分，中证1000期指主力合约IM2211突然触及跌停板，随后迅速拉升。截至午市收盘，IM2211合约跌幅收窄至0.53%。值得注意的是，在IM2211合约异常触及跌停板时，中证1000指数IM2212、IM2303和IM2306...</p>\n\n<a href=\"https://mp.weixin.qq.com/s/xoxGWBObSrPGaPn0Z4AEJQ\">Web Link</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","type":0,"thumbnail":"https://static.tigerbbs.com/c7da52addfd52fb216bcf87283f43750","relate_stocks":{"159845":"中证1000","000852.SH":"中证1000","000001.SH":"上证指数"},"source_url":"https://mp.weixin.qq.com/s/xoxGWBObSrPGaPn0Z4AEJQ","is_english":false,"share_image_url":"https://static.laohu8.com/e9f99090a1c2ed51c021029395664489","article_id":"1126208578","content_text":"11月8日开市，中证1000期指主力合约IM2211以跌停开盘，随后出现快速拉升，大幅收窄跌幅，截至午市收盘，该合约跌0.53%。IM2211合约一秒跌停11月8日9点29分，中证1000期指主力合约IM2211突然触及跌停板，随后迅速拉升。截至午市收盘，IM2211合约跌幅收窄至0.53%。值得注意的是，在IM2211合约异常触及跌停板时，中证1000指数IM2212、IM2303和IM2306合约均运行正常。对此，有期货人士向记者表示：“初步估计可能是某个机构程序走错了，开盘按跌停价卖了，但开盘集合竞价阶段不能撤单，导致最终成交出现‘乌龙指’。”中州期货首席宏观研究员李婷婷表示：“由于IM2211在跌停时成交价为多单平仓，因此推测可能是由于报单出现错误。但幸运的是，今日‘乌龙指’事件相关成交手数不足百手。由于中证1000本身上市时间短，流动性相对小，因此并未造成较大影响，其他股指期货均正常运行。”四大原因导致“乌龙指”事件“乌龙指”一旦出现，往往引起投资者的广泛关注。2013年8月16日，A股市场突发极为罕见的离奇暴涨，大批权重股被瞬间拉至涨停板，股指期货、蓝筹ETF同步暴涨。上证指数短时间内大幅拉升，一分钟内涨超5%，最高涨幅5.62%，盘中逼近2200点。此次事件系光大证券衍生品部门进行量化套利时下单失误所致。按照8月16日的收盘价，上述交易的当日盯市损失约为1.94亿元。通过分析2016年以来IH、IF、IC三大股指期货在所有合约上发生的较大的“乌龙指”事件，华泰期货认为“乌龙指”出现原因大致可以分为以下几类：一是开盘集合竞价阶段某方挂单数较大，挂单价格偏离较多，缺乏足够对手方；二是正常行情的盘中某方挂单数较大，挂单价格偏离较多，对手方订单簿缺乏深度；三是某一合约出现“乌龙指”，从而带动其他同时上市合约价格同样出现“乌龙指”；四是极端行情下，某方挂单价格偏离极大，错估市场承接力。近两年A股股指期货的流动性有十足进步，整体持仓量已跃居世界前列，但在IH、IF、IC三个股指期货上的“乌龙指”事件并未减少。“这背后折射出的是股指期货市场仍然有持续进入的‘新玩家’，这部分‘新玩家’的资金体量并不低，很容易对市场造成冲击性影响，需要各位投资者高度注意。”华泰期货相关人士提醒道。","news_type":1},"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"langContent":"EN"}],"hasMoreComments":true,"newsSizeData":{"likeSize":54,"commentSize":1,"repostSize":0,"favoriteSize":7,"likeStatus":false,"favoriteStatus":false}}