Why are some of the options in the Option Chain shaded?

Use Option Chains to create a single or multi-leg options position. You can view option chains on any stock or futures instrument that has options, including index options.

To use option chains in IBKR Mobile for Android:…

Access option chains for the current underlying in the Mosaic Order Entry panel to quickly create an option order. Invoke option chains from your Watchlist to add options contracts for monitoring. You can access Option Chains several different ways:…

Use Option Chains to create a single or multi-leg options position. You can view option chains on any stock or futures instrument that has options, including index options.

To use option chains in IBKR Mobile…

It is not possible to exercise a short option position.

The TWS option exercise tool will display non-actionable short option positions in the bottom half of the window. More information on TWS Option Exercise tool…