Degree of operating leverage (DOL) API

Degree of operating leverage = contribution margin / operating income, measuring how a 1% change in sales amplifies operating income — the standard cost-structure risk metric. Answers 'what's my operating leverage', 'how sensitive is profit to sales', 'is my cost structure high-leverage'.

Price$0.01per request

MethodPOST

Route/v1/calc/biz-operating-leverage

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calcoperating-leveragedolcost-structurecvpopsfinancerisk

API URLhttps://x402.hexl.dev/v1/calc/biz-operating-leverage

Integration docs

Example request

{
  "sales": 500000,
  "variableCosts": 300000,
  "fixedCosts": 150000
}

Example response

{
  "formula": "DOL = (sales - variableCosts) / (sales - variableCosts - fixedCosts)",
  "contributionMargin": 200000,
  "operatingIncome": 50000,
  "degreeOfOperatingLeverage": 4,
  "interpretation": "A 1% change in sales moves operating income by ~4%.",
  "rating": "high",
  "inputs": {
    "sales": 500000,
    "variableCosts": 300000,
    "fixedCosts": 150000
  }
}

Input schema

{
  "type": "object",
  "required": [
    "sales",
    "variableCosts",
    "fixedCosts"
  ],
  "properties": {
    "sales": {
      "type": "number",
      "examples": [
        500000
      ]
    },
    "variableCosts": {
      "type": "number",
      "examples": [
        300000
      ]
    },
    "fixedCosts": {
      "type": "number",
      "examples": [
        150000
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}