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Returning customer COGS as a share of their net revenue—shows the true cost ratio after discounts and refunds.

Formula

Returning Customer COGS Net Rate = ( Returning Customer COGS ÷ Returning Customer Net Revenue ) × 100

Formula Components

MetricDefinition
Returning Customer COGSCost of goods sold for repeat buyer orders
Returning Customer Net RevenueNet revenue from returning customers after discounts and refunds
Metadata
TypePercentage
Data SourceShopify, Upstack Costs
AggregationRatio

Example

Your returning customers generated $65,100 in net revenue with $24,680 in product costs:
SegmentCOGSNet RevenueCOGS/Net Rate
Returning Customers$24,680$65,10037.9%
New Customers$18,340$42,40043.3%
Returning customers have lower COGS net rate—better margins even after adjustments.

How It Works

This metric divides Returning Customer COGS by Returning Customer Net Revenue. It’s typically higher than the gross rate because discounts and refunds reduce the denominator. Use this for true profitability analysis of your repeat buyer segment.

When to Use

ScenarioAction
True retention profitabilitySee COGS burden after adjustments
LTV accuracyUse net-based rates for lifetime value
Loyalty program impactCompare before/after loyalty discounts
Segment benchmarkingCompare to NC rate for insights

MetricRelationship
Returning Customer COGSNumerator—product costs
Returning Customer Net RevenueDenominator—after-adjustment revenue
COGS Net RateAll-customer comparison
New Customer COGS Net RateFirst-time buyer comparison
See all COGS metrics →