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Interactive Brokers TWS API message code

Interactive Brokers TWS API message code: 10020 (display size order size)

The error, as text you can copy

10020
Kind
TWS API message code
Where you meet it
In the TWS API, not in the Web API and not in an HTTP status
API
Interactive Brokers

What does 10020 (display size order size) mean on the Interactive Brokers API?

Interactive Brokers lists TWS API message code 10020 with the text "Display size should be smaller than order size." (the vendor's wording). The display size should be smaller than the total quantity.

Risk warning: CFDs and spread bets are complex instruments and come with a high risk of losing money rapidly due to leverage. You can lose money on these products, and each provider publishes its own loss figure under FCA rules. You should consider whether you understand how they work and whether you can afford to take the high risk of losing your money. Automated and API trading can amplify losses through bugs, connectivity failures and runaway orders.

Independent and unofficialinteractivebrokers.github.iochecked

How do I fix 10020 (display size order size)?

Set a display size smaller than the total quantity of the order.