Options instrument ticker

Live ticker for one Deribit instrument: mark, last, best bid/ask with sizes, index and underlying price, open interest, mark/bid/ask IV and greeks (delta, gamma, vega, theta, rho) for options, funding for perpetuals, and 24h stats. Pass instrument (e.g. BTC-26DEC26-100000-C or BTC-PERPETUAL), or pass currency (+ optional type call/put) to get the at-the-money option of the nearest expiry. Keyless public data.

TRY IN PLAYGROUND →

Input

Example output

{
  "source": "deribit",
  "resolvedFrom": "nearest-expiry-atm",
  "ticker": {
    "instrument": "BTC-26AUG26-77000-C",
    "state": "open",
    "markPrice": 0.0121,
    "lastPrice": 0.012,
    "bestBid": 0.0115,
    "bestAsk": 0.0125,
    "indexPrice": 77242.3,
    "underlyingPrice": 77317.9,
    "underlyingIndex": "BTC-26AUG26",
    "openInterest": 85.2,
    "markIv": 47.5,
    "bidIv": 46.1,
    "askIv": 48.9,
    "greeks": {
      "delta": 0.52,
      "gamma": 0.00012,
      "vega": 30.1,
      "theta": -190.2,
      "rho": 2.1
    },
    "stats": {
      "high24h": 0.013,
      "low24h": 0.011,
      "priceChange24hPct": -4.2,
      "volume24h": 120.5,
      "volume24hUsd": 112000
    },
    "timestamp": "2026-08-22T12:00:00.000Z"
  },
  "fetchedAt": "2026-08-22T12:00:00.000Z"
}

Try it - see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/options-ticker \
  -H "Content-Type: application/json" \
  -d '{"currency":"BTC"}'

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/options-ticker", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "currency": "BTC"
  }),
});

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