Canceling Pending Orders with Exchange Order APIs
Summary
This tutorial explains how to use order retrieval and cancellation APIs to manage unfilled orders. It presents two helper routines: one repeatedly retrieves open orders and cancels all orders, optionally limited to buys or sells; the other cancels every open order except a specified order ID and returns that preserved order if it remains open.
The examples place limit orders away from the current price, inspect the pending orders, and then show the results of each cancellation approach. The reported outcomes demonstrate that filtering by order type leaves other types untouched, while preserving an ID leaves that order in the returned open-order list. The routines include delays and retries to handle API responses and cancellation processing. They illustrate basic API usage rather than a trading strategy, and the examples do not assess execution risks or establish behavior across all exchanges.
Key ideas
- Order retrieval APIs can be used to inspect all currently unfilled orders.
- A cancellation helper can filter open orders by buy or sell type.
- A second helper can cancel all open orders except a chosen order ID.
- Retry delays can allow for transient retrieval failures and cancellation processing.
- The examples teach order management mechanics, not a strategy or evidence of trading performance.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.