> ## 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.

# LTV CM4: Lifetime Operating Profit Value

> Track LTV CM4 for your Shopify store. Measure the total operating profit a customer generates over their relationship with your brand.

<Tip>
  LTV CM4 measures the total operating profit (after all costs including OPEX) a customer generates over their lifetime—the true bottom-line value per customer.
</Tip>

## Formula

<Info>
  **LTV CM4** = **Total CM4** ÷ **Customers**
</Info>

### Formula Components

| Metric                                                                | Definition                       |
| --------------------------------------------------------------------- | -------------------------------- |
| [**Total CM4**](/reference/metrics/orders/contribution-margin/cm4)    | Operating profit from all orders |
| [**Customers**](/reference/metrics/orders/customers/unique-customers) | Count of unique customers        |

| Metadata        |                                                                                                                                              |
| --------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| **Type**        | Currency                                                                                                                                     |
| **Data Source** | [Shopify](/sources/catalog/shopify), [Upstack Costs](/sources/catalog/upstack-costs), [Advertising Platforms](/sources/catalog/facebook-ads) |
| **Aggregation** | Average                                                                                                                                      |

***

## Example

Your Shopify store has **\$200,000** total CM4 from **10,000** customers.

| Component   | Value     | Calculation        |
| ----------- | --------- | ------------------ |
| Total CM4   | \$200,000 | Operating profit   |
| Customers   | 10,000    | Unique buyers      |
| **LTV CM4** | **\$20**  | \$200,000 ÷ 10,000 |

***

## How It Works

LTV CM4 shows the fully-loaded profit per customer after all costs. This is the ultimate measure of customer value—how much each customer contributes to your bottom line.

***

## When to Use

| Scenario             | Action                                                |
| -------------------- | ----------------------------------------------------- |
| Profitability        | LTV CM4 > 0 means customers are profitable            |
| Valuation            | LTV CM4 × Customers = enterprise value component      |
| Investment decisions | Determines sustainable growth rate                    |
| Pricing strategy     | Higher LTV CM4 enables lower prices or more marketing |

***

## Related Metrics

| Metric                                                   | Relationship             |
| -------------------------------------------------------- | ------------------------ |
| [LTV CM3](/reference/metrics/orders/ltv/ltv-cm3)         | Before fixed costs       |
| [CM4](/reference/metrics/orders/contribution-margin/cm4) | Total operating profit   |
| [LTV:CAC](/reference/metrics/orders/ltv/ltv-cac)         | Acquisition efficiency   |
| [OPEX](/reference/metrics/orders/cogs/opex)              | Fixed costs per customer |

[See all LTV metrics →](/reference/metrics/orders/ltv)