Breakeven win-rate API

Minimum breakeven win-rate for a given reward/risk ratio: W = 1/(1+R:R), optionally fee-adjusted. Deterministic edge math. Answers 'what win rate to break even at 2:1','minimum hit rate for my R:R','do my odds beat breakeven'.

Price$0.01per request

MethodPOST

Route/v1/calc/trade-breakeven-winrate

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calctradingbreakevenwin-raterisk-rewardexpectancyedgestrategy

API URLhttps://x402.hexl.dev/v1/calc/trade-breakeven-winrate

Integration docs

Example request

{
  "riskRewardRatio": 2
}

Example response

{
  "riskRewardRatio": 2,
  "breakevenWinRate": 0.333333,
  "breakevenWinRatePct": 33.3333,
  "formula": "W = 1 / (1 + R:R)"
}

Input schema

{
  "type": "object",
  "required": [
    "riskRewardRatio"
  ],
  "properties": {
    "riskRewardRatio": {
      "type": "number",
      "examples": [
        2
      ]
    },
    "feesPerTradePct": {
      "type": "number",
      "description": "Optional round-trip fee as percent.",
      "examples": [
        0.1
      ]
    }
  }
}

Output schema

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