ToolAssay

Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX

Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX: ATM IV, 25-delta skew, put/call open interest ratio, max pain and Deribit's DVOL index; with an expiry, the options chain per strike with the greeks as each venue publishes them. Volatility surface inputs for BTC and ETH options. Data only. Bad input is free; nothing is charged when no venue answers.

Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.003listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://derivs.duoleads.com/v1/options

CategoryMarket data
Provider hostderivs.duoleads.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days3 from 3 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "coin": "BTC"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "coin": {
              "description": "Underlying coin: BTC, ETH, SOL ... (options exist mainly for BTC and ETH).",
              "maxLength": 32,
              "minLength": 1,
              "type": "string"
            },
            "expiry": {
              "description": "Optional expiry date YYYY-MM-DD (UTC): only that expiry, plus its chain per strike with the venues' greeks. Default: the 6 nearest expiries, no chain.",
              "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
              "type": "string"
            }
          },
          "required": [
            "coin"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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