What does the message "Bond Restricted: Calculation Type Not Supported" mean?

Due to regulatory restrictions you are limited to trading only bonds that the account has added the relevant "Trading Permissions" If regulations do not allow your account to trade a contract then the trading permission for that product will not be available on your Client Portal Trading Permissions page…

This product is currently not available for trading. This message appears when a product is only available via floor trading and not on an electronic exchange.

You can find available products for trading in the Products Listings…

At this time, only US and Canada listed common and preferred stocks and ETFs paying cash dividends are eligible for reinvestment.

Please Note…

A bond trading when-issued (WI) means that the bond has been authorized but not yet issued, and trades may be taking place conditionally to gauge the level of interest if/when formally issued.

IBKR does not support WI trading, however, the bond will be available once issued and trading on the secondary markets if it is otherwise supported…