What does the message "NG combo with negative capable legs are not supported" mean?

Trading permissions bundles for specific products/assets/markets will only be shown if the account is capable of trading that product, otherwise, the product is not shown. 

If an account is capable, the option to select that product will be shown and if requested, the account profile will be used to evaluate if the entity/person meets the requirements to trade the product/asset/market they are requesting…

When you see the message "No opening trades: ineligible PINK stock" it means an opening order for that contract is not allowed, even if your account has trading permissions for US Penny Stocks.

Additional Information…

The message refers to who cancelled the order. As an example, Cancelled by System is a message you will see when one OCA leg of an order is canceled by the User then the IBKR system will cancel the other leg of the OCA Group. The message for the first leg will be displayed as User Cancelled as the user acted to cancel the order.  The other OCA leg message will show Cancelled by System as the IBKR system was active in cancelling that order. An Invalid Order means the order was either created incorrectly and when submitted the IBKR system would not accept the order. Or the Invalid Order was created in a manner the exchange would not accept or a change occurred like the contract expired so the exchange could no longer hold the order…

GFIS will now be able to offer more subscriptions and offer them at competitive rates. It has no impact on trading and has no negative impact on market data.

Additional Information…