ACOS, or Advertising Cost of Sales, is a metric used in digital advertising, particularly on platforms like Amazon. It represents the ratio of advertising spend to sales generated from that advertising. The formula for calculating ACOS is:

ACOS=(Total SalesTotal Ad Spend)×100

Here are some key points and insights about ACOS:

  1. Performance Indicator: ACOS is a critical performance indicator for advertisers. It helps in assessing the efficiency of advertising campaigns by showing how much of the sales revenue is spent on advertising.

  2. Target Setting: While there is no universally defined "good" or "bad" ACOS, advertisers often set target ACOS values based on their business goals and profit margins. Achieving a lower ACOS generally indicates more cost-effective advertising.

  3. Profitability Considerations: ACOS should be analyzed in conjunction with overall profitability. A low ACOS might be good, but not if it results in low overall profits. Balancing ACOS with profit margins is crucial.

  4. Optimization Tool: For platforms like Amazon, tools like Ad Badger use ACOS as a key metric for bid optimization. The goal is often to achieve a balance between driving sales and maintaining a profitable advertising spend.

  5. Comparison with Other Metrics: ACOS is similar to Return on Ad Spend (ROAS), which is used in other advertising platforms like Google Ads. While ACOS focuses on costs relative to sales, ROAS focuses on revenue generated for every dollar spent on advertising.

  6. Dynamic Nature: ACOS can vary across products, campaigns, and market conditions. It's important for advertisers to continuously monitor and adjust their strategies based on ACOS trends.

Understanding ACOS and leveraging it effectively helps advertisers make data-driven decisions to optimize their advertising campaigns for better results and profitability.

For more information you can read our handy blog post: What Is ACOS And How Do I Calculate It For Amazon PPC? and watch this great video our CEO made!