ABC Analysis Report for Shopify
Every product graded A, B, or C by its share of revenue — so you can pour stock investment into the items that earn it, and stop over-buying the ones that don’t.
5 from 1,800+ merchants
2,000+ data fields
Trusted by 40,000+ Shopify stores
Updated June 2026
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Why this report matters
Not all products deserve the same attention. In most catalogs, a small fraction of items generates the large majority of revenue, while a long tail contributes almost nothing yet still consumes cash, warehouse space, and management time. The trouble is telling which is which when you’re looking at hundreds of SKUs.
ABC analysis applies the Pareto principle to inventory. It grades every product by its share of revenue: A-items are the vital few (often ~80% of revenue from ~20% of products), B-items are the useful middle, and C-items are the trivial many. Once products are graded, every downstream decision gets sharper — what to never stock out of, what to negotiate hard on with suppliers, and what to quietly discontinue.
Shopify offers a native ABC report on higher plans, but it can’t be scheduled and offers limited slicing. Report Pundit’s version runs on every plan, pairs grade with cost and retail value, and can be combined with sell-through and reorder data for a complete prioritization picture.
What’s included in the report
Product Title
Name of the product.
Variant Title
The variant — grading is done at the variant level, since a popular product can hide a weak variant.
Variant SKU
Unique stock-keeping identifier.
The grade
Product Grade
The A / B / C classification based on the product’s share of revenue contribution over the selected period.
Example: A = top revenue contributors (roughly the first 80% of revenue) · B = the next band · C = the long tail (often the bottom ~5% of revenue).
Heads up: The date range you choose shapes the grading. A product that’s an A-grade over the holidays may be a C-grade in the off-season — always set the period intentionally.
Stock & value
Ending Quantity
Units still in stock at the end of the period.
Total Value (Cost)
Formula: Product Cost × Ending Quantity
Inventory value at cost.
Heads up: Products with an ending quantity below 0 are treated as $0 total value (cost).
Total Value (Price)
Formula: Product Price × Ending Quantity
Inventory value at sale price, before discounts.
Heads up: Products with an ending quantity of 0 are treated as $0 total value (price).
Revenue contribution % · Units sold · Vendor · Product Type · Collections · Sell-through rate · Days of inventory remaining
Who uses this report
01. Buyers protecting A-grade availability
02. Merchandisers culling dead stock
03. Procurement negotiating with suppliers
04. Founders reviewing portfolio health
How to read the report
Patterns to look for first:
- A-grade with thin stock. Your highest-revenue items at risk of stockout. The most expensive gap in the whole catalog — fix first.
- C-grade with high value. Dead capital. Low revenue contribution but real dollars tied up — prime clearance candidates.
- Grade shifts across periods. A product sliding from A to B over consecutive periods is losing momentum — investigate before it becomes a C.
- Vendor concentration in A-grade. If most A-items come from one supplier, that’s both leverage and risk. Plan accordingly.
How to build the report in Report Pundit
Under 5 minutes from install to insight. No code, no SQL.
- Install Report Pundit. from the Shopify App Store — 14-day free trial, no card required.
- Open Pre-built Reports. and select ABC Analysis from the Inventory category.
- Set the analysis period. choose the date range that grading is based on. This is the most important setting — pick a window that reflects normal demand, or a specific season if that’s what you’re planning for.
- Apply filters. narrow by vendor, product type, collection, or location to grade a subset of the catalog.
- Customize columns. add Revenue Contribution %, Units Sold, or Sell-Through to enrich the grade.
- Run the report. each variant is graded A, B, or C by its revenue share over the period.
- Export or schedule. export to Google Sheets or PDF, or schedule a monthly/quarterly grading for planning reviews.
Sample report
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Customization & filters
- Set the analysis period — the date range that shapes grading.
- Filter by vendor or product type — grade a category or supplier subset.
- Add Revenue Contribution % — see the exact share behind each grade.
- Combine with Sell-Through — distinguish high-revenue from fast-moving.
- Add Days of Inventory Remaining — flag A-grade stockout risk.
- Schedule quarterly — track how grades shift over time.
Automate & export
- Schedules — hourly, daily, weekly, monthly, or custom cron
- Delivery formats — Excel, CSV, PDF, or push to Google Sheets in real time
- Group by month or week — trends instead of a static snapshot
- Destinations — email (multiple recipients), Google Sheets, Google Drive, FTP/SFTP, Looker Studio, BigQuery
- Conditional alerts — get notified only if a channel's net sales drop more than X% week-over-week
Report Pundit vs Shopify's native Sales by Channel report
Frequently Asked Questions
A method that grades products by their contribution to revenue — A for the vital few top earners, B for the middle, C for the trivial many. It applies the Pareto principle so you can prioritize stock investment and attention.
By each product’s share of revenue contribution over the period you select. A-grade typically captures the first ~80% of revenue, with B and C below. The date range directly shapes the grading.
Because grading is revenue-based, a seasonal product can be an A-grade in peak months and a C-grade off-season. Always choose a window that matches the decision you’re making.
Benefits
Categorize Products
Attribute SKU Sales
Efficient Resource Planning
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