> ## Documentation Index
> Fetch the complete documentation index at: https://docs.upstackdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Performance Metrics

> Order performance and efficiency metrics. Cost per unit, operational efficiency, and performance ratios from Shopify order data.

Performance metrics help you understand operational efficiency at the unit level. These metrics focus on per-item costs and ratios that reveal how efficiently you're selling products.

## Available Metrics

<CardGroup cols={2}>
  <Card title="Cost Per Unit" icon="dollar-sign" href="/reference/metrics/orders/performance/cost-per-unit">
    Average cost of goods sold per unit.
  </Card>
</CardGroup>

## Key Insights

| Metric                                                               | Use Case                                            |
| -------------------------------------------------------------------- | --------------------------------------------------- |
| [Cost Per Unit](/reference/metrics/orders/performance/cost-per-unit) | Track per-item profitability and pricing efficiency |

## Data Source

Performance metrics are calculated from [Shopify](/sources/shopify) order data, specifically using cost of goods sold and unit quantities from your order history.