What Is the Immediate Consequence for a Trader Whose Position Is ADL-closed?

The immediate consequence is that their profitable position is closed by the exchange at the bankrupt counterparty's bankruptcy price. The trader loses the expected profit between the bankruptcy price and the current market price.

The trader receives the collateral from the closed position, but the unexpected closure and loss of potential profit are the primary consequences, often leading to frustration and the need to re-establish their trade.