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Sosnoff, who spent 10 years as an options-market maker at the Chicago Mercantile Exchange, created Thinkorswim in 1999 and sold it this year to TD Ameritrade for more than $600 million.
Thinkorswim, Inc. was founded in 1999 by Tom Sosnoff and Scott Sheridan as an online brokerage specializing in options. [2] It was funded by Technology Crossover Ventures. [3] In February 2007, Investools acquired Thinkorswim. [4] In January 2009, it was acquired by TD Ameritrade in a cash and stock deal valued around $606 million.
In 2009, Thinkorswim was sold to TD Ameritrade for $750 million [9] and Sosnoff personally received $84 million from the sale. [10] In 2011, Sosnoff announced that $20 million in venture capital had been raised for his new company tastytrade. [ 9 ]
TD Ameritrade was a stockbroker that offered an electronic trading platform for the trade of financial assets.The company was founded in 1975 as First Omaha Securities.In 2006, it acquired the United States operations of TD Waterhouse from Toronto-Dominion Bank and was renamed TD Ameritrade.
Market price data is not only used in real-time to make on-the-spot decisions about buying or selling, but historical market data can also be used to project pricing trends and to calculate market risk on portfolios of investments that may be held by an individual or an institutional investor.
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