# Viewing the orderbook

The orderbook view is a constantly updated, real-time list of all outstanding buy and sell \[limit] orders for the selected instrument, organized by total USD price (price of instrument X quantity of instrument).

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The order book is presented in two sections, identified by red or green colored bars. The top half with red-colored bars are Sell orders, or *asks*. The bottom half with green-colored bars are Buy orders, or *bids*.

Each row in the orderbook contains price levels and the number of contracts (**Size**) for each corresponding price. The **Total** column shows a cumulative count of contracts from the middle of the order book to each price level.