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IQOption上的可用貨幣

IQOption上的可用貨幣

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Bloomberg、Thomson Reuters、Capital IQ 各自的优缺点有哪些?

Bloomberg使用的很少,Thomson Reuters旗下的Datastream和SDC platinum是Corporate Finance研究的标配。IPO相关的必用SDC的Global New Issuance板块,对于A股的覆盖不如国泰安,不过已经相当好了。M&A相关的必用SDC的M&A板块,其他数据商比如BvD也有专门的M&A数据库Zephyr,对于欧洲市场覆盖比SDC好,但相对来说很小众。做VC/PE的标配VentureXpert被Thomson买了以后,从Thomson One和SDC都可以进入,SDC的数据导出对于写paper的人来说友好的多。

Capital IQ的终端没有用过,但是旗下的Compustat也是Corporate Finance的标配。基本上Corporate Finance都要用Compustat获得财务数据,通过WRDS平台(Wharton Research Data Services)使用Compustat和CRSP效率超过一切其他途径。Datastream虽然可以通过Excel plug-in直接输出到Excel表格里面,但是数据排列相当反人类,Compustat能找到的,一般不用Datastream。

另外一个很不起眼但其实用的很多的东西是Factiva,为了确定一个corporate event的准确时间线,会经常用到Factiva来检索press release。

WRDS上关于公司的数据比如Compustat的财务数据,Execucomp database的CEO Compensation数据,Thompson Reuter insider trading database, Riskmetrics上的Boards of directors数据,还有Blockholder ownership database, 如此等等,很多研究者都直接拿来用,但是从没有过问过这些数据怎么来的、是否可靠。

这些数据的来源都是SEC EDGAR database,每个上市公司按照规定必须提交各种数据给SEC,这些各式各样的form就是WRDS上这些数据的来源。比如Execucomp dabtase的数据来源是proxy statement (DEF 14A), insider trading 的数据来源于form 3/4/5,等等。

我有很长时间都在死磕SEC EDGAR上的这些海量文件(虽然绝对大小相比较tick 数据就小多了,但是另一个维度的复杂度就高多了,难处理),我把我的结果跟从WRDS上得到的数据进行对比,WRDS上的这些数据库错误不少。如果只是随机的错误,那么我们可以把这些偏差当作噪声,但是如果有大面积的遗漏或者采集方法有问题,那么就是系统性错误。不夸张的说,所有基于这些数据库的论文都要受影响(可以甩锅)。

这种系统性错误的确是存在的。比如根据我的结果,insider trading 这个数据库遗漏了大量数据,有很多存在于SEC EDGAR的insider trading数据但是Thomson Reuter上没有,这些遗漏大到无法忽视。再比如Execucomp database更新的时候会修改/删改历史数据(现在已经更正,这个比较silly的错误怎么发现也是个学术界八卦,按下不表)。这些错误都会直接影响到实证结果是否成立,或者是否biased。

我曾经想把这些技术开源,或者做一个打破这些垄断制作开源(商业)金融数据库供所有人免费(低价) 使用。毕竟大部分国内外高校都无法负担这些昂贵的数据库,所以为这些高校提供低成本或者免费的数据方案,并且提供传统数据供应商暂无的Machine learning API接口,我觉得无论是社会价值和商业价值上前景都不错,也是比较有意义的事情。

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General Risk Warning: The financial services reviewed here carry a high level of risk and can result in the loss of all your funds.

IQ Option Scam

These are the images of a pending withdrawal that IQ option has canceled. They refuse to release this money. I've started the complaint procedure through CySEC but they are still investigating, and it can take 2 months. IQ claims they are investigating, but why have they canceled the withdrawal and blocked/closed the account if its still being decided? Scam.

Screen Shot 2018-08-06 at 07.23.54.png

FxMaster

Lt. Colonel

These are the images of a pending withdrawal that IQ option has canceled. They refuse to release this money. I've started the complaint procedure IQOption上的可用貨幣 through CySEC but they are still investigating, and it can take 2 months. IQ claims they are investigating, but why have they canceled the withdrawal and blocked/closed the account if its still being decided? Scam.

Tantamos87

Recruit

Thanks for your reply. These are profits that I'm trying to get, not my initial deposit. IQ sent the initial deposit back to my debit card, but IQOption上的可用貨幣 refuse to pay the profits earned.

FxMaster

Lt. Colonel

Thanks for your reply. These are profits that I'm trying to get, not my initial deposit. IQ sent the initial deposit back IQOption上的可用貨幣 to my debit card, but refuse to pay the profits earned.

sneaks

Recruit

Hi, I recently started trading with them and am very concerned getting my money out after reading these comments. i want to believe that they are genuine despite all the bad press. Did they finally pay your profit?

Tantamos87

Recruit

Hi, I recently started trading with them and am very concerned getting my money out after reading these comments. i want to believe that they are genuine despite all the bad press. Did they finally pay your profit?

John78

Recruit

I would suggest you also contact FCA in IQOption上的可用貨幣 U.K for further instructions and guidance and make a report to ActionFraud. IQ Option seems to have the same ownership as the scam Toroption, Instaforex,Glenmore Capital and S2Trade and a couple of those fraud companies.! Not difficult to find victims IQOption上的可用貨幣 of them all over the internet. I will myself contact FCA about the connection of at least 9-10 companies that seems to IQOption上的可用貨幣 be ruled by the same leadership linked to Israel.All this companies apparently use the same strategy for their scam!

The Reaper of F

Sergeant

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