An automated, goal-driven bid strategy that groups together multiple campaigns, ad groups, and keywords.

Portfolio bid strategies automatically set bids to help you reach your performance goals. They include three Smart bidding strategies — Target CPA, Target ROAS, and Enhanced CPC — and other strategies including Maximize Clicks, Target Search Page Location, and Target Outranking Share.

• Once you create a portfolio strategy, it will be stored in your Shared library. This is the central location for managing your portfolio bid strategies and tracking their performance.
• Use the Campaigns, Ad groups, and Keywords pages to add items to a portfolio bid strategy.
• Portfolio bid strategies were previously referred to as “flexible bid strategies.”

* Nguồn: Google