✔ Make $400 a day [Demo Available] ► http://2by.us/money While Fallout from global investigation into possible manipulation of 5300000000000 dollars a day forex market spread on Wednesday, as the Royal Bank of Scotland ( RBS ) said it has sought to reassure customers about the the price at which they are offered for sale - LONDON , October 30 ( Reuters ) Barclays said it is cooperating with the agency . The exchange rate for the standard , commonly known as the fixes , is a cornerstone of the global financial market , is used for pricing trillions of dollars worth of investment and transaction based on the companies , investors and central banks . Management agencies in the U.S. , Asia and Europe are investigating the possible manipulation of the standards and RBS confirmed on Wednesday it was emailed to customers last week to tell them it was considered How does it review forex trading in the minutes before the price is set . "We are reviewing the processes around service standards . Mail does not reflect the final policy and clearly we are doing this with our customers ," RBS said . Barclays , meanwhile , said they are considering business profile from its foreign exchange transactions going back a couple of years as part of an international investigation . UBS and Deutsche also said it was cooperating with authorities . According to a report by Bloomberg , RBS has emailed customers to reassure them that RBS traders will not share details of their FX orders with traders at other banks and will not use reviews knowledge of such orders to make their bets . In echo of a global probe into the manipulation of the benchmark interest rate , the authorities are investigating whether traders at investment banks conspired with counterparts at other banks to try and rig rates , tipping each other their position to try and influence the speed settings . RBS is one of a number of banks were handed over to the electronic conversation FX traders to financial management of the UK , a source familiar with the matter said earlier this month . GREATEST PLAYER The bank is cooperating with the probe FX after a year -long investigation into the manipulation of benchmark interest which so far has resulted in institutions , including RBS , was fined about $ 4 billion and seven individuals for criminal charges . As part of the settlement of their fraud rates , including Barclays , UBS , RBS and Rabobank have agreed to transfer all of the information that the U.S. Justice Department in their requirements at least two year , allowing Washington to probe the standard set of rates . Deutsche Bank , Citigroup , UBS and Barclays are the four largest players in the global foreign exchange market with a combined market share of over 50 percent . UBS , Barclays and Deutsche declined to comment on whether they consider the business practices of foreign currency . Citigroup was not available for comment . The exchange rate is important , WM / Reuters , compiled using data from Thomson Reuters and other providers , and with WM , a unit of State Street . Thomson Reuters is the parent company of Reuters News , which does not participate in the repair process . Ratio WM / Reuters at 4pm established London time is considered the standard of many companies and investors because more than 40 percent of daily global forex trading is done in London . It's the closest thing to a closing price of 24 times , the market adjusts . To calculate the benchmark , WM lost an average of actual trades and the proportion and order in a minute ' fix ' period . The rate is set by the hour , or every 30 minutes for coin operated , and includes some 160 currencies . Management agencies are investigating whether traders use prior knowledge of customer orders to make money for their banks ' own account , an illegal practice known as " front running , and pushing through transactions around 1 minute window when the standard is set to try and influence them . While RBS sought to reassure customers that it will not share the information flow related to the repair , it says it will hedge its own positions up to 15 minutes before the standard is set to protect themselves against market fluctuations . ( By Katharina Bart in Zurich and Anirban Nag in London ; Writing by Carmel Crimmins ; Editing by David Holmes ) Keywords: RBS FOREX / More information: http://newforex.net/ forex trading, forex strategy, forex brokers, forex, xe forex, xe, xe review, xe scam, xemarkets