Gross margin stability across years, in percentage points

Gross margin stability across years, in percentage points

One of the 61 measures in Stock Scorer, under Durability — How predictable is the revenue, and how much of it is already committed?

How it is worked out

Standard deviation of the annual gross margin, in percentage points

Standard deviation is the typical distance from the average, so a low figure means the gross margin barely moves from year to year. Needs three years.

How to read it

flat earns a 10, 5pp of swing a 1

Which figures it needs

Computed from 3 figures taken from the filing:

• gross_profit
• cost_of_revenue
• revenue

The XBRL tags behind it

These are the element names looked for in a filing, in order. The first one a company reports is the one used, and the company page names which it was — so any figure here can be checked against the filing it came from.

• GrossProfit
• CostOfRevenue
• CostOfGoodsAndServicesSold
• CostOfSales
• CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
• RevenueFromContractWithCustomerExcludingAssessedTax
• Revenues
• RevenueFromContractWithCustomerIncludingAssessedTax
• SalesRevenueNet
• SalesRevenueServicesNet
• RevenueFromContractsWithCustomers
• Revenue

Whether it counts

This measure is counted in Durability by default. It can be taken out on the dashboard, and the dimension is then measured over whatever is left.