Expected value of a bet API

Computes the expected value of a single bet from true win probability, decimal odds, and stake, separating win-branch profit from lose-branch loss and flagging +EV. Answers 'Is this a +EV bet?', 'What is the expected profit on this wager?'.

Price$0.04per request

MethodPOST

Route/v1/sports/bet-expected-value

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

sportsbettingexpected-valueevedgeprofitwagerstakevalue-bet

API URLhttps://x402.hexl.dev/v1/sports/bet-expected-value

Integration docs

Example request

{
  "winProbability": 0.55,
  "decimalOdds": 2,
  "stake": 100
}

Example response

{
  "winProbability": 0.55,
  "decimalOdds": 2,
  "stake": 100,
  "profitIfWin": 100,
  "lossIfLose": -100,
  "expectedProfit": 10,
  "expectedValuePct": 10,
  "expectedReturnMultiple": 1.1,
  "positiveEv": true,
  "formula": "EV = p·(decimal-1)·stake - (1-p)·stake"
}

Input schema

{
  "type": "object",
  "required": [
    "winProbability",
    "decimalOdds"
  ],
  "properties": {
    "winProbability": {
      "type": "number",
      "examples": [
        0.55
      ]
    },
    "decimalOdds": {
      "type": "number",
      "examples": [
        2
      ]
    },
    "stake": {
      "type": "number",
      "examples": [
        100
      ]
    }
  }
}

Output schema

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