thinkorswim, founded in 1999 and headquartered in Chicago, is an online brokerage company specializing in options. We support retail and institutional traders through our own trading platforms which are widely recognized as some of the industry's best for options trading.

Disclaimer Note:
* thinkorswim, Inc. has entered into a Marketing Agreement with Cyber Trading University, Inc.(CTU) whereby thinkorswim pays CTU to recommend thinkorswim as its executing broker. The existence of this Marketing Agreement should not be deemed as an endorsement or recommendation of CTU by thinkorswim and/or any of its affiliated companies. Neither thinkorswim, Inc. nor any of its affiliated companies is responsible for the privacy practices of CTU or this website. thinkorswim, Inc. does not warrant the accuracy or content of the products or services offered by CTU or this website. Use of this site and its services and/or products is the decision of and at the discretion of the individual or entity choosing this service and/or product. thinkorswim, Inc. makes no guarantees or warranties of any kind and of the products or services offered by CTU or by or through this website and shall have no liability therefore.