竞价上限（Bid Cap） 需要设置预算、并且设置出价， 会严格按照你设置的出价， 所以如果最终的转换单价达不到设置的数值， 系统会因为您的出价从而限制每次竞拍的竞价，从而导致您的广告花不出去钱。

Bid cap is one of Facebook’s bid strategy options in the ad auction. Within the auction we will calculate: Rather than specifying a max bid per impression, a bid cap specifies a maximum value for the Bid Per Estimated Action (not per impression). We may bid lower than this if it would cause you to spend your budget too quickly.

bid cap:竞价上限，投放会以给的出价值为上限，寻找处于出价值以下的目标受众，尽量不超过出价值，会有波动，但超出的幅度也不大。 cost cap： 费用上限，在给定的出价值带来尽可能多的目标转化，以控制转化费用为目标。

竞价上限（Bid Cap） 需要设置预算、并且设置出价，会严格按照你设置的出价，所以如果最终的转换单价达不到设置的数值，系统会因为您的出价从而限制每次竞拍的竞价，从而导致您的广告花不出去钱。

With bid cap bid strategy, your bid control sets the maximum amount you’re willing to pay to reach your target audience, it's not the cost you ultimately pay. Whereas, cost per result goal, enables you to specify the maximum average cost you want to pay for your results, which is the cost you see in reporting.

2024年11月24日 · Bid Cap allows you to set a maximum bid for each action (like a click or conversion), giving you control over how much you spend per interaction. Cost Cap sets a maximum Cost Per Acquisition (CPA), ensuring that your average CPA stays at or below the set amount, allowing Facebook’s algorithm to optimize for conversions within your budget.

Bid cap: Set the maximum bid across auctions, rather than allow Facebook to bid dynamically based on your cost or value goals. Bid cap is meant for advertisers who have a strong understanding of predicted conversion rates and can calculate the right bid.

2021年10月12日 · Bid Cap allows you to set the maximum bid across auctions, rather than allowing Facebook to bid dynamically based on your cost or value goals. This is meant for those who have a strong understanding of predicted conversion rates and can calculate the right bid. Here’s a graphic that Facebook uses to try and differentiate Cost Cap and Bid Cap…

Cost Cap is a bidding strategy where Facebook attempts to keep the cost per result (like a lead, sale, or click) at or below your specified threshold. It’s designed for advertisers who want to control their average cost while still allowing Facebook’s algorithm to optimize ad delivery for maximum conversions. Here’s how it works:

2024年9月4日 · Cost cap is a Facebook Ads bidding strategy that sets a maximum cost per optimization event, such as a click or conversion. This allows advertisers to control their costs while still optimizing for the desired result. On the other hand, bid cap is a bidding strategy that sets a maximum bid limit for each ad set.