How do I place a VWAP order?

IBKR Mobile does support the One Cancels Another (OCA) order type but it is only allowed for open positions and the OCA order can not be placed to enter a position.

To place an OCA order in IBKR Mobile on a current position, you will want to select…

Interactive Brokers may simulate certain order types on its books and submit the order to the exchange when it becomes marketable. The IBKR website contains a page with exchange listings which will each include an expandable "Order Types" section. This section lists the various order types that are either native to the exchange or simulated by IBKR. For more information, please…

Customers can close MLP positions in the same way they would any other security.

Note…

Yes, your T5008 does factor in adjusted cost basis but if you find it has not then please submit a webticket requesting for a review and correction.

More information on Form T5008…