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By Blain Reinkensmeyer / February 19th, 2018 / Updated: February 21st, 2018

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UPDATE 2009 – thinkorswim has been acquired by TD Ameritrade, please see our TD Ameritrade Review

Thinkorswim is an online broker that offers low cost stock trades to its large client base of investors. Thinkorswim provides its traders with a wide spectrum of tools for the self-directed investor. Forex and bond trading can also be performed with a TD Ameritrade online trading account.

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Blain Reinkensmeyer

Reviewed by Blain Reinkensmeyer Blain heads research at and has been involved in the markets since placing his first stock trade back in 2001. He developed's annual review format seven years ago, a format broker executives consider the most thorough in the industry. Blain currently maintains funded accounts with more than a dozen different US-regulated online brokers and has executed thousands of trades throughout his career. He enjoys sharing his experiences through his personal blog,

Ratings Overall

*thinkorswim was not included in the latest annual review, as a result this data may not be up to date.


Offering of Investments
Platforms & Tools
Customer Service

Best in Class

All pricing data was obtained from a published web site as of 02/20/18 and is believed to be accurate, but is not guaranteed. The staff is constantly working with its online broker representatives to obtain the latest pricing data. If you believe any data listed above is inaccurate, please contact us using the link at the bottom of this page. For stock trade rates, advertised pricing is for a standard order size of 500 shares of stock priced at $30 per share. For options orders, an options regulatory fee per contract may apply.

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