SG&A / Revenue

$$\frac{\text{SG\&A expense}}{\text{Revenue}}$$

Overhead as a share of revenue. Lower is better — indicates operational efficiency.

Direction: Lower better Category: profitability

Inputs (XBRL fallback chains):

• revenue: Revenues -> RevenueFromContractWithCustomerExcludingAssessedTax -> RevenueFromContractWithCustomerIncludingAssessedTax -> SalesRevenueNet -> SalesRevenueGoodsNet
• sga_expense: SellingGeneralAndAdministrativeExpense -> GeneralAndAdministrativeExpense

Returns None when: Returns None when SG&A or Revenue is missing.

Source code

Implementation: sga_margin in src/eqtytrk/metrics/ratios.py (or valuation.py for multiples).