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55 KPIs

Operations KPIs

Manage inventory, fulfillment, compliance, and operational efficiency metrics to maintain excellent seller performance.

55

Total KPIs Available

5

Subcategories

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Expert Definitions

Inventory Management

20 KPIs

Inventory Level

Current units in stock at Amazon fulfillment centers.

Inventory Level / Average Daily Sales.

Inventory Turnover

COGS / Average Inventory Value.

Days out of stock / Total days * 100.

Lost Sales (Stockout)

Estimated sales lost due to stockouts.

Overstock Level

Inventory exceeding optimal levels.

Aged Inventory (90+ days)

Inventory in FBA for 90+ days.

Inventory Health Score

Amazon's composite inventory health rating.

Safety Stock Level

Buffer inventory to prevent stockouts.

Economic Order Quantity (EOQ)

Optimal order quantity to minimize total costs.

Inventory Carrying Cost

Cost to hold inventory (storage, insurance, obsolescence).

Sell-Through Rate

Units sold / Units received * 100.

Inventory Accuracy

System inventory vs. actual inventory.

Inbound Shipment Performance

On-time delivery of inbound shipments.

Receiving Defect Rate

Shipments with receiving problems / Total shipments.

Inventory Velocity

Rate at which inventory is sold and replaced.

Excess Inventory Cost

Cost of holding excess inventory.

Inventory Write-off Rate

Inventory written off / Total inventory * 100.

Forecast Accuracy

Actual sales vs. forecasted sales.

Time from order placement to inventory availability.

Fulfillment & Logistics

12 KPIs

Order Defect Rate (ODR)

Defective orders / Total orders * 100.

Perfect Order Rate

Orders delivered on time, complete, and damage-free.

Late Shipment Rate

Late shipments / Total shipments * 100.

Pre-fulfillment Cancel Rate

Cancelled orders / Total orders * 100.

Valid Tracking Rate

Shipments with valid tracking / Total shipments * 100.

On-Time Delivery Rate

Orders delivered by promised date / Total orders * 100.

Shipping Cost per Unit

Total shipping costs / Units shipped.

Fulfillment Method Mix

Percentage of orders by fulfillment method (FBA/FBM).

Average Delivery Time

Average days from order to delivery.

Packaging Defect Rate

Orders with packaging issues / Total orders * 100.

Delivery Exception Rate

Deliveries with exceptions / Total deliveries * 100.

Cost per Shipment

Total fulfillment costs / Number of shipments.

Account Health & Compliance

8 KPIs

Critical seller account health metrics including A-to-Z claims, chargebacks, feedback scores, VOC defect rates, and policy warnings to maintain good standing and avoid suspension.

A-to-Z Guarantee Claims Rate

A-to-Z claims filed by customers / Total orders * 100.

Chargeback Rate

Credit card chargebacks / Total orders * 100.

Seller Feedback Score (Average)

Average seller feedback rating from customers (1-5 stars).

Negative Feedback Removal Rate

Percentage of negative feedback successfully removed through appeals.

Voice of Customer (VOC) Defect Rate

Combined negative customer experience signals (returns, negative reviews, A-to-Z claims).

Customer Experience Health Score

Amazon's composite rating of overall customer experience health.

Policy Warning Count

Number of active policy violation warnings on seller account.

Seller Performance Notification (SPN) Count

Total Seller Performance Notifications received in time period.

Inventory Health & IPI

5 KPIs

Amazon's Inventory Performance Index components including IPI score, excess inventory, sell-through rates, in-stock rates, and stranded inventory to optimize storage and avoid restrictions.

Amazon's Inventory Performance Index score measuring inventory management efficiency.

Low-Level Inventory %

Percentage of inventory below recommended reorder point.

In-Stock Rate %

Percentage of time actively sold ASINs are in stock and available.

Sell-Through Rate (IPI Component)

Units sold and shipped in past 90 days / Average units available.

Stranded Inventory % (IPI)

Percentage of FBA inventory unavailable for purchase due to listing issues.

Product Performance

10 KPIs

Product Availability

Percentage of time product is in stock and available.

Listing Quality Score

Amazon's assessment of listing completeness and quality.

Image Quality Score

Quality rating of product images.

Content Completeness

Percentage of required product attributes populated.

Variation Completeness

Percentage of variations with complete content.

Search Suppression Rate

Percentage of ASINs suppressed from search.

Listing Defect Rate

Listings with defects / Total listings * 100.

Product Launch Success Rate

New products meeting launch targets / Total launches * 100.

Catalog Error Rate

Catalog submissions with errors / Total submissions * 100.

Product Lifecycle Stage

Current stage of product lifecycle (Launch/Growth/Maturity/Decline).

Want to Track These KPIs?

Nova pulls every operations metric from Seller Central, SP-API, and the Ads API into one dashboard.