# Chase Orders

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Note: all commands operate on the currently viewed instrument only
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| **`chase <side> <size>`**                                                                            | Start a limit chase for the given side and size terminating only on fill or cancel                        | <p><em><code>chase buy 100</code></em><br><em><code>chase buy 5000$</code></em><br><em><code>chase sell 0.1</code></em><br><em><code>chase sell 15%</code></em></p> |
| <p><strong><code>chase cancel</code></strong><br><strong><code>chase cancel keep</code></strong></p> | Cancel a running chase. Specify ‘keep’ to keep the order in the orderbook                                 |                                                                                                                                                                     |
| **`chase <side> <size> to <length>`**                                                                | Start a limit chase terminating at the given length which can be a price, a percentage or a number of USD | <p><em><code>chase buy 100 to 0.1%</code></em><br><em><code>chase sell 0.1 to -10</code></em></p>                                                                   |
| **`chase <side> <size> reduce`**                                                                     | Start a limit chase to close a full position or a portion of it                                           | <p><em><code>chase buy 100% reduce</code></em><br><em><code>chase sell 50% reduce</code></em></p>                                                                   |