What is meant by VALUE exchange?

Account holders maintaining a long security position (e.g. stock or bond) that is worthless but has not yet been cancelled by the depository may submit a request to have that security removed from their account via a process referred to as Dollar for Lot.  Here, IBKR will take over the worthless position for a nominal payment of USD 1.00 as consideration…

Clients holding a position on the exchange CORPACT will be unable to close the position. Symbols listed on this exchange represent an asset currently subject to a corporate action, either a position which was voluntarily submitted to an offer or one which the account may be held liable for. Positions in such assets are generally in a transient state and will be removed upon completion of the corporate action…

IBKR does not allow you to purchase a stock from an exchange in one country and sell the stock to close the position on an exchange listed in another country.  Stocks are not fungible…

For the same asset, a short position (or if you sell) will have the inverse effect on your Portfolio Impact Score of a long position (or if you buy).

In other words:…