# “Size” Input / Slider bar

This input control is present on every order type. With the **dual input controls** (activate in the Settings-Orders-Size:enable dual input controls) you can use either the base / the underlying asset or the quote / USD to size your orders, regardless of wether a linear or an inverse instrument is selected.

Dragging the slider bar to 100% represents the largest size order that can be placed given the available balance, current leverage and execution price (price estimated in the case of market orders).


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