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Thinkorswim

New York · Founded 1983

Thinkorswim was founded in 1983 by Tom Sosnoff, and is based in New York.

Key facts

Industry
business
Parent
TD Ameritrade

About

electronic trading platform

Founder

In context

We hold 381 other business companies founded in the 1980s. 45 of them have closed, after a median of 19 years, and 336 have no closure recorded.

Counted across this directory, from founding and closing years in public records. Medians cover only companies whose closure is recorded; a company with no closure date may have quietly ceased without the record catching it.

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