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Interactive Brokers TWS API message code

Interactive Brokers TWS API message code: 10337 (misc options key invalid)

The error, as text you can copy

10337
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 10337 (misc options key invalid) mean on the Interactive Brokers API?

Listed by the vendor as "Misc options key=%s is invalid in %s request. Valid keys are: %s". The words in quotes are from Interactive Brokers' own list. The %s marks are placeholders the page prints as they are.

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.comchecked

How do I fix 10337 (misc options key invalid)?

Use one of the valid keys the message lists.