Release Notes for August 15, 2026 - thinkorswim Learning Center

§ 01 Executive Snapshot

• What: thinkorswim has released version 1993 with several updates aimed at enhancing user experience and trading capabilities.
• Who: thinkorswim Support Team.
• Why it matters: These updates improve user customization and data accessibility, making the trading process more efficient and user-friendly.

§ 02 Key Developments

• Users can now customize position columns in Active Trader with a new Column Sets selector, allowing for a more personalized trading setup.
• A new column, % Held by Institutions, has been added to watchlists, providing quick access to institutional ownership data for securities.
• My Tools functionality has been enhanced, allowing users to create, save, load, rename, and delete multiple button sets for charting layouts.
• The platform is transitioning from legacy Pattern Day Trader (PDT) rules to an Intraday Margining model, simplifying intraday buying power information.

§ 03 Strategic Context

• The updates reflect a growing trend in trading platforms to prioritize user customization and ease of access to critical information, aligning with user demands for more control over trading environments.
• By adopting the Intraday Margining model, thinkorswim is responding to industry shifts aimed at simplifying trading practices and enhancing clarity around buying power.

§ 04 Strategic Implications

• These enhancements may lead to increased user satisfaction and retention as traders find the platform more aligned with their needs and preferences.
• Long-term adoption of new margining practices may position thinkorswim as a leader in user-friendly trading solutions, potentially attracting new users.

§ 05 Risks & Constraints

• Potential risks include user resistance to changes, particularly with the transition from PDT rules, which may require adjustments in user behavior and understanding.
• Competing platforms may respond with similar or enhanced features, potentially diluting thinkorswim's competitive advantage in the market.

§ 06 Watchlist / Forward Signals

• Future updates may include additional features or enhancements based on user feedback, which could signal the platform's responsiveness to user needs.
• Monitoring user engagement metrics post-update will be crucial to assess the impact of these changes and inform future development directions.