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Fills
The Fills tab displays All filled orders for the currently selected account. You can tap on a fill to bring up the order details of that fill, from there if you want to pull up a ladder for the fill you can select the Contract icon located in the upper right of the details page to bring up a market depth ladder for the selected market.
NOTE: You can also long-press on a row to pull up a menu. Selecting Trade contract will pull up a Market Depth ladder for the selected row. Notice at the top of the menu in the image below selecting trade contract will pull up a wheat ladder.