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Interactive Brokers TWS API message code

Interactive Brokers TWS API message code: 372 (dynamic vol on non vol)

The error, as text you can copy

372
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 372 (dynamic vol on non vol) mean on the Interactive Brokers API?

Listed by the vendor as "Cannot set dynamic VOL attribute on non-VOL order". The dynamic VOL attribute cannot be set on an order that is not a VOL order.

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 372 (dynamic vol on non vol)?

Make sure the order type is VOL.