> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://ibkrcampus.com/docs/general/order-types/notes-limitations/llms.txt. # Notes & Limitations ## Docs - [Introduction](https://ibkrcampus.com/docs/general/order-types/notes-limitations/introduction.md) - [Cryptocurrency Trading](https://ibkrcampus.com/docs/general/order-types/notes-limitations/cryptocurrency-trading.md) - [Order Efficiency Ratio](https://ibkrcampus.com/docs/general/order-types/notes-limitations/order-efficiency-ratio.md) - [Order Type by API](https://ibkrcampus.com/docs/general/order-types/notes-limitations/order-type-by-api.md)