R-multiple of a trade API

R-multiple of a closed trade: R = (exit − entry)/(entry − stop), the result in units of initial risk — the core metric of systematic trade journals. Deterministic. Answers 'what R was this trade','how many R did I make','express my profit in risk units'.

Price$0.01per request

MethodPOST

Route/v1/calc/trade-r-multiple

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calctradingr-multiplejournalriskexpectancyvan-tharpperformance

API URLhttps://x402.hexl.dev/v1/calc/trade-r-multiple

Integration docs

Example request

{
  "entry": 100,
  "stop": 95,
  "exit": 115
}

Example response

{
  "entry": 100,
  "stop": 95,
  "exit": 115,
  "direction": "long",
  "initialRisk": 5,
  "rMultiple": 3,
  "outcome": "win",
  "formula": "R = (exit − entry) / (entry − stop)"
}

Input schema

{
  "type": "object",
  "required": [
    "entry",
    "stop",
    "exit"
  ],
  "properties": {
    "entry": {
      "type": "number",
      "examples": [
        100
      ]
    },
    "stop": {
      "type": "number",
      "examples": [
        95
      ]
    },
    "exit": {
      "type": "number",
      "examples": [
        115
      ]
    }
  }
}

Output schema

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