The value of a person's BATNA is always relative to the possible settlements available in the current negotiation,and the possibilities within a given negotiation are heavily influenced by the nature of the interdependence between the parties.

BATNA

stands for Best Alternative To a Negotiated Agreement, referring to the most favorable course of action a party can take if negotiations fail.

Possible Settlements

Possible settlements refer to the various outcomes or agreements that could be reached as a resolution to a dispute or negotiation.

Interdependence

Interdependence is the mutual reliance between two or more groups, organisms, systems, or objects, where each is dependent on the other for their well-being or success.