Trailing-stop level API

Trailing-stop price: long stop = highPrice·(1 − trailPct), short stop = lowPrice·(1 + trailPct), plus locked-in profit vs entry. Deterministic level math. Answers 'where's my trailing stop','locked profit on a 10% trail','trailing stop from the high'.

Price$0.01per request

MethodPOST

Route/v1/calc/trade-trailing-stop

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calctradingtrailing-stopstop-lossexitprofit-locklevelsrisk

API URLhttps://x402.hexl.dev/v1/calc/trade-trailing-stop

Integration docs

Example request

{
  "entry": 100,
  "extreme": 120,
  "trailPct": 10,
  "direction": "long"
}

Example response

{
  "entry": 100,
  "extreme": 120,
  "trailPct": 10,
  "direction": "long",
  "trailingStop": 108,
  "lockedProfit": 8,
  "lockedProfitPct": 8,
  "triggered": "in-profit",
  "formula": "stop = highPrice · (1 − trailPct)"
}

Input schema

{
  "type": "object",
  "required": [
    "entry",
    "extreme",
    "trailPct"
  ],
  "properties": {
    "entry": {
      "type": "number",
      "examples": [
        100
      ]
    },
    "extreme": {
      "type": "number",
      "description": "Highest price (long) or lowest (short) since entry.",
      "examples": [
        120
      ]
    },
    "trailPct": {
      "type": "number",
      "examples": [
        10
      ]
    },
    "direction": {
      "type": "string",
      "enum": [
        "long",
        "short"
      ],
      "default": "long"
    }
  }
}

Output schema

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