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Whether you trade LARGE or small, we cater to stock investors with unique idea-generation tools (such as our patent-pending TradeBuilder), comprehensive research, and flexible trade execution capabilities. We feature fully-integrated portfolio and market data in our stock order window to make trade execution more convenient.

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Multiple order types

Select from market, limit, stop market, stop limit, and market on close. Limit prices are pre-filled at current bid or ask (depending on buy or sell order actions).
Real-time buying power

Shows available stock and option buying power to ensure you have adequate capital for any transaction. Also shows capital tied to pending transactions.
Contingent Order Types

Coming Soon - Enter different contingents based on trailing stops, OCOs (one-cancels-other), OTOs (one-triggers-other), price triggers, and more.
Integrated quotes and existing positions

Conveniently view current quotes when placing your order before entering your price. If entering an order for a security in which you already have a position, you can view that, too.
Working and Saved Orders

View all working and saved orders directly from each order ticket to save time when entering multiple orders at once. Cancel or change orders with one click.

© 2024 AOS, Inc. does business as TradingBlock and MoneyBlock
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Phone: 1-800-494-0451
Fax: 1-312-588-0226
[email protected]

Investing and trading may result in loss of capital. Options & Single Stock Futures involve substantial risk and are not suitable for all investors. Please read Characteristics and Risks of Standardized Options prior to investing. Please read Risk Disclosure for Security Futures Contracts prior to investing in Single Stock Futures. Market volatility, volume and system availability may delay account access and trade execution. Day trading is a high risk, speculative trading strategy and is not suitable for all investors. For more information on risks associated with day trading please read Day Trading Risk Disclosure. All content, tools and calculations provided herein are for educational and informational purposes only. You are fully responsible for any investment decision you make. TradingBlock makes no investment recommendations and does not provide financial, tax or legal advice. For more information, please review our Online Services Agreement. This is not an offer or solicitation in jurisdictions where TradingBlock is not authorized to do business or where such offer or solicitation would be contrary to the local laws and regulations of that jurisdiction. Contact Us for more information.

** TradingBlock Subaccounts allow a client to set up one or more subaccounts which aggregate up to one account which is reported on that client's monthly account statement. The Firm does NOT allow a "Master/Sub-Account" relationship whereby an owner of an account sets up subaccounts for different owners. The firm requires one owner to set up subaccounts within their account and we are required to verify the identity of that account owner.