What does the Top Contributors window in the Benchmarker tool show?

You can add the Cost Basis field to your Portfolio to see the cost basis value for your positions.

To add the Cost Basis column in IBKR Mobile:…

To determine the margin requirement for your account after a switch from Reg. T to Portfolio Margin in TWS:

1. Open the Account Window from TWS (select the Account and then Account Window menu options from the top-level menu bar).
2. Click on the "…

To filter symbols in the Performance Details window of the Stock/ETF Benchmarker, click on Show All in the top-right corner and select one of the following:

• Show All: Displays all symbols from your portfolio and the benchmark index
• Show all groups and my positions…

The Sector Contribution window lists sectors by contribution from highest to lowest. Hold your mouse over a bar to see the numerical percentage value.

Please note that the values are also reflected in the Performance Details window's Contribution column.  …