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How to Improve Your Amazon Inventory Performance Index Score (Best Practices for a Good Amazon IPI Score)

Written by
Vanessa Hung
February 9, 2024

Amazon Inventory Performance Index Guide: Definition, Importance, and Ways to Improve Your Amazon IPI Score

Welcome to our guide to understanding and improving your Amazon Inventory Performance Index, also known as the IPI. If you're selling on Amazon, keeping a close eye on your inventory is crucial. It's like the heartbeat of your business.

The IPI works like a report card for your inventory. Amazon uses a sophisticated formula to examine various factors – such as how much inventory you're storing without selling, how quickly your products are moving, and whether any of your products are stranded (meaning, they can’t be sold for some reason). All of this data is processed into a score from 0 to 1000. The higher the score, the better your business is performing.

A high IPI score is a valuable asset. It can shield you from storage issues and even offer you some noteworthy benefits that can significantly enhance your selling experience. So, if you’re ready to optimize your inventory management and make your products stand out in Amazon's bustling digital marketplace, stick around. Let's delve into the ins and outs of mastering your IPI score!

How to Check Your IPI Score on Seller Central (Inventory Performance Dashboard)

Checking your Amazon IPI (Inventory Performance Index) score is a straightforward process. Follow these steps to access your IPI score:

1. Log into Your Seller Central Account: Visit the Amazon Seller Central website and log in using your seller credentials.

2. Navigate to "Inventory Performance": Once logged in, locate the "Inventory" tab in the top navigation menu and hover over it. A dropdown menu will appear. Select "Inventory Dashboard" from the options.

3. View Your IPI Score: On the Inventory Dashboard page, you'll find various metrics related to your inventory performance. Your IPI score will be prominently displayed on this page. It will be a numerical value on a scale of 0 to 1000.

4. Explore More Details: You can further explore the details of your IPI score by clicking on it. This might lead you to a breakdown of the factors contributing to your score, helping you identify areas that may need improvement.

5. Monitor Regularly: It's a good practice to check your IPI score regularly, especially if you're actively managing your inventory or making changes to your product listings.

Remember that Amazon's interface might change over time, so if you encounter any difficulties finding your IPI score, consider referring to Amazon's official seller resources or help documentation for step-by-step guidance specific to the current interface.

What's a Good Amazon Inventory Performance Index Score?

A good IPI score is generally considered to be around 450 or higher. However, it's important to note that Amazon's policies and benchmarks can change over time, and what's considered a "good" score might vary based on factors such as:

Amazon periodically adjusts its policies and metrics, so it's advisable to refer to Amazon's official seller resources or help documentation for the most current information on IPI score benchmarks. This will give you the most accurate and up-to-date understanding of what is considered a good IPI score for your specific situation.

How the IPI score affects your Amazon business

Your IPI score shows how well you manage your inventory. Amazon uses it to assess if you have too much or too little stock. They also evaluate the speed at which items sell and if they are delivered on time.

A good IPI score opens up more space for your goods in Amazon's warehouses and increases the chances of making more sales. So, keep a close eye on this number!

Implications of a low IPI score

A low IPI score means that you may be struggling with managing your inventory properly. With a low IPI score, you are at risk of facing storage limits and restrictions on the number of products you can sell on Amazon. This can lead to missed sales opportunities and lower visibility for your products. Additionally, a low IPI score indicates that you may have excess or stagnant inventory, which ties up your capital and reduces your profitability.

It is crucial to improve your IPI score by implementing effective inventory management strategies to avoid these consequences and ensure the success of your Amazon business.

Benefits of a high IPI score

A high IPI score means that you have good control over your inventory and are maintaining optimal stock levels. This helps to reduce storage costs and prevents excess inventory from piling up.

Secondly, a high IPI score improves the visibility of your products on Amazon by increasing your chances of winning the coveted Buy Box. This can lead to more sales and increased exposure for your business.

Additionally, a good IPI score indicates that you are effectively managing customer demand by consistently providing fast shipping and accurate order fulfillment. Overall, achieving a high IPI score demonstrates your commitment to excellent seller performance and can help drive success in your online Amazon business.

Contributing Factors to Your IPI Score on Amazon

The Inventory Performance Index isn't just another statistic; it's the pulse of your e-commerce journey. Let's unravel the contributing factors that pave the way for a solid IPI score, ensuring your Amazon venture thrives:

1. Efficient Inventory Management: At the heart of a strong IPI score lies impeccable inventory management. This means maintaining the right quantity of products without letting excess stock accumulate or running out of popular items.

2. Sell-Through Rate Mastery: The rate at which your products fly off the virtual shelves matters. A higher sell-through rate indicates that your items are in demand, contributing positively to your IPI score.

3. Stranded Inventory Minimization: For Amazon FBA, stranded inventory is the arch-nemesis of efficient selling. Ensure your products are ready for purchase, steering clear of any issues that might render them unavailable for sale.

4. Excess Inventory Reduction: Too much of a good thing isn't always great. Manage excess inventory efficiently to avoid overloading Amazon's storage and to maintain a streamlined IPI score.

5. In-Stock Inventory Consistency: Customers love products that are ready to ship promptly. Consistently having your items in stock signals reliability and elevates your IPI.

6. Order Defect Rate Control: Fulfill orders promptly, provide accurate product descriptions, and ensure customer satisfaction to keep your order defect rate in check, a factor that influences your IPI.

7. Strategic Restocking: Balancing stock levels with demand is an art. Using predictive analytics, historical data, and market trends, you can strategically restock to maintain a seamless flow of inventory.

8. Storage Space Optimization: Efficient use of Amazon's fulfillment centers is a win-win. It reduces storage fees and keeps your IPI score in the green.

9. Amazon's Storage Limits: Pay heed to Amazon's storage limits. Adhering to these limits not only keeps your IPI in good shape but also avoids penalties.

10. Fulfillment Type Impact: The fulfillment method you choose – FBA (Fulfillment by Amazon) or FBM (Fulfillment by Merchant) – can affect your IPI score, as Amazon's involvement in fulfillment impacts various metrics.

11. Seller Performance Metrics: Your overall performance as a seller matters. Factors like late shipment rates and order cancellation rates contribute to your IPI.

12. Strive for Improvement: Remember, a good IPI score is dynamic. Strive to improve your inventory management, monitor key metrics, and adapt to changes in Amazon's policies.

Step-by-Step Strategies to Improve Your Amazon IPI Score

Reduce excess inventory

To improve your IPI score, it's important to reduce excess inventory. Here are some strategies you can implement:

1. Track your inventory: Keep a close eye on your stock levels and sales data to identify which products are not selling well.

2. Offer promotions: Use discounts or special offers to incentivize customers to purchase slow-moving inventory.

3. Liquidate excess inventory: Consider selling excess inventory to clearance outlets or through online marketplaces.

4. Optimize product listings: Improve your product descriptions and images to attract more customers and increase sales.

5. Improve marketing efforts: Increase advertising and promotion for products that are not selling well.

6. Forecast demand accurately: Use historical data and market trends to forecast future demand and adjust your inventory accordingly.

Improve sell-through rate

The sell-through rate on Amazon refers to the percentage of products sold out of the total available within a specific timeframe, indicating the efficiency of sales for a given inventory. To improve your IPI score, you need to focus on improving your sell-through rate. Here's how you can do it:

1. Optimize your product listings to attract more customers and increase sales.

2. Monitor customer reviews and address any issues promptly to maintain a positive reputation.

3. Analyze competitor pricing and adjust your prices accordingly to stay competitive.

4. Offer promotions or discounts to encourage customers to buy more of your products.

5. Ensure efficient shipping and fulfillment processes to provide fast and reliable service.

6. Regularly review your inventory to identify slow-moving items and consider discounting or removing them from your catalog.

Optimize in-stock inventory

In-stock inventory on Amazon refers to the quantity of products that are currently available and ready to be shipped to customers from Amazon's fulfillment centers. To improve your IPI score on Amazon, it's important to optimize your in-stock inventory. Here are some strategies to help you do that:

1. Regularly review and update your inventory levels to ensure you have enough stock to meet customer demand.

2. Utilize Amazon's sales data report and analytics to identify popular products and make sure you have an adequate supply of those items.

3. Monitor customer feedback and reviews to understand which products are performing well and adjust your inventory accordingly.

4. Consider using automated inventory management systems or software tools to help streamline the process and ensure accurate stock levels.

5. Implement efficient reordering processes to minimize stockouts and avoid excess inventory.

6. Work closely with suppliers or manufacturers to establish reliable delivery schedules and reduce lead times.

7. Optimize product listings with accurate descriptions, keywords, and images to improve search visibility and drive more sales.

Improving Your IPI Score: Your Crucial Task as an Amazon Seller

To succeed as an Amazon FBA seller, understanding the importance of a good IPI score is crucial. Your IPI score directly impacts your business, with low scores leading to storage limits and other negative consequences.

On the other hand, maintaining a high IPI score can unlock benefits like increased sales and better profits. By implementing strategies to improve your inventory management and optimize your IPI score, you can set yourself up for success on Amazon's platform.

So keep track of your IPI score, make smart decisions about inventory, and watch your business thrive!


1. What is an IPI score on Amazon?

An IPI score on Amazon stands for Inventory Performance Index, which measures a seller's overall efficiency in managing their inventory.

2. How does the IPI score affect my selling performance on Amazon?

Your IPI score can directly impact your selling performance on Amazon, as it determines your eligibility for certain programs and benefits such as storage limits and fee waivers.

3. How can I improve my IPI score?

To improve your IPI score, you can focus on reducing excess inventory, maintaining a healthy sell-through rate, and optimizing your inventory management practices.

4. Can a low IPI score lead to account suspension or restrictions?

Yes, if your IPI score consistently falls below the required threshold set by Amazon, it may result in account suspension or restrictions on certain privileges and services provided by the platform.


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