Fixed-margin pricing

Fixed-margin pricing is a method where a retailer applies one consistent margin percentage across a product, category, or entire catalog to determine the selling price from cost. If the target margin is 40 percent, every item is priced so that 40 percent of the sale price is profit above cost, no matter what the item is.

How fixed-margin pricing works

The retailer sets a target gross margin percentage and calculates price using price equals cost divided by (1 minus margin percent). Because the formula only looks at cost and the fixed target, it doesn't account for what competitors charge or how sensitive customers are to price on a given item. Many retailers use fixed-margin pricing as a starting default and then layer in exceptions for competitive or key-value items.

Fixed-margin pricing is easiest to maintain when supplier costs are stable and reported consistently, since the whole approach depends on an accurate, up-to-date cost figure for every SKU. When cost data lags, arrives late, or is entered inconsistently across a catalog, the fixed-margin rule quietly produces prices that don't actually hit the intended margin, which is why many retailers pair it with regular cost audits.

Example

A hardware retailer applies a fixed 35 percent margin across its plumbing category. A fitting costing $6.50 is priced at $10.00 using the formula, and so is every other item in the category regardless of how visible or price-sensitive it is to shoppers. A competitor selling the same fitting at $8.50 would undercut the retailer, but the fixed-margin rule alone wouldn't catch that. The retailer later adds a competitive exception for the ten most price-checked plumbing items, lowering their margin target to 22 percent while keeping the 35 percent default for the rest of the category.

Why it matters for retailers

Fixed-margin pricing is simple to apply consistently across thousands of SKUs and protects overall category profitability, but it treats a commodity item shoppers compare closely the same as an item nobody price-checks, which can hurt competitiveness on the former and leave money on the table on the latter.

Because it's simple to explain and easy to audit, fixed-margin pricing is often the right starting point for a retailer building out its first pricing rules, even if it eventually gets refined with competitive and demand-based exceptions layered on top for the SKUs that need them most. Retailers moving away from ad hoc, item-by-item pricing decisions often find that a fixed-margin baseline, even an imperfect one, is a meaningful improvement over inconsistent judgment calls made by different buyers across a catalog.

How Retailgrid helps

Retailgrid lets teams set a fixed-margin rule as the default across a category in the AI workspace, then layer in competitive pricing exceptions for the items shoppers actually compare, so the baseline stays simple without sacrificing competitiveness on visible SKUs. Cost updates flow through automatically, so a fixed-margin price recalculates the moment a supplier cost changes, instead of sitting on an outdated cost figure until someone happens to notice and update the spreadsheet manually.