Tax Optimizer

Proactively Manage
Gains and Losses with
Tax Optimizer

Take control of your taxes by changing tax lot-matching methods on the fly to optimize your capital gains and losses.

  • Change the default matching method for your account, the current trading day or the prior trading day.
  • Run real-time "what-if" scenarios to see how different lot-matching methods affect your gains and losses.
  • Choose from among several tax lot-matching methods, including LIFO, FIFO, Maximize Long-Term Gain, Maximize Long-Term Loss, Maximize Short-Term Gain, Maximize Short-Term Loss and Highest Cost.
  • Manually match specific lots to trades using the Specific Lot matching method.
  • Make changes and save them until 8:30 PM ET on any given trading day.
  • View year-to-date profit and loss data by symbol.

Tax Optimizer is integrated with your trading app:

  • In Trader Workstation (TWS), use the right-click menu from a position and select Change Tax Lots.
  • In IBKR Mobile, tap the More menu in the bottom right corner, then swipe up to find Account Management. Tap to expand and then tap the Tax Optimizer icon.
  • From Portal, click Performance & Reports > Tax Documents > Tax Optimizer – Launch Tax Optimizer

This tool is available for stock, option, bond, warrant and single-stock future trades.

Using IBKR's Tax Optimizer

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The projections or other information generated by Tax Optimizer regarding the likelihood of various investment outcomes are hypothetical in nature, do not reflect actual investment results and are not guarantees of future results. Please note that results may vary with use of the tool over time.