Equity risk premium API

Equity risk premium ERP = Rm - Rf: the excess return the market is expected to deliver over the risk-free rate, the core input to CAPM. Deterministic and auditable. Answers 'what is the equity risk premium','market return minus risk free','ERP for an 8% market and 3% risk free'.

Price$0.01per request

MethodPOST

Route/v1/calc/val-equity-risk-premium

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calcvaluationequity-risk-premiumerpcapmmarket-returnfinancediscount-rate

API URLhttps://x402.hexl.dev/v1/calc/val-equity-risk-premium

Integration docs

Example request

{
  "marketReturn": 0.09,
  "riskFreeRate": 0.03
}

Example response

{
  "equityRiskPremium": 0.06,
  "equityRiskPremiumPercent": 6,
  "formula": "ERP = Rm - Rf",
  "breakdown": {
    "marketReturn": 0.09,
    "riskFreeRate": 0.03
  }
}

Input schema

{
  "type": "object",
  "required": [
    "marketReturn",
    "riskFreeRate"
  ],
  "properties": {
    "marketReturn": {
      "type": "number",
      "description": "Expected market return as a decimal",
      "examples": [
        0.09
      ]
    },
    "riskFreeRate": {
      "type": "number",
      "description": "Risk-free rate as a decimal",
      "examples": [
        0.03
      ]
    }
  }
}

Output schema

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