Implied volatility

Code snippets

curl "https://api.oanor.com/options-api/v1/implied-volatility" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/options-api/v1/implied-volatility", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/options-api/v1/implied-volatility");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/options-api/v1/implied-volatility",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "The Black-Scholes volatility that reproduces the given option price, found by bisection.",
        "inputs": {
            "rate": 0.05,
            "spot": 100,
            "time": 1,
            "type": "call",
            "price": 10.45,
            "strike": 100,
            "dividend_yield": 0
        },
        "implied_volatility": 0.199985,
        "implied_volatility_percent": 19.9985
    },
    "meta": {
        "timestamp": "2026-06-05T03:09:00.801Z",
        "request_id": "28351862-be5e-4ad8-8886-b01d701ef35f"
    },
    "status": "ok",
    "message": "Implied vol",
    "success": true
}