Open Interest

{
  "as_of": "2026-10-14T23:00:00Z",
  "change": [
    {
      "as_of": "2026-10-14T23:00:00Z",
      "change_1h_pct": 0.645335,
      "change_24h_pct": 7.46048,
      "change_4h_pct": 1.4056,
      "latest": 30086.085,
      "latest_time": "2026-10-14T22:00:00Z",
      "symbol": "BTCUSDT",
      "unit": "coins",
      "venue": "bybit"
    },
    {
      "as_of": "2026-10-14T23:00:00Z",
      "change_1h_pct": -0.00334619,
      "change_24h_pct": 1.28509,
      "change_4h_pct": -0.0314464,
      "latest": 4343972013,
      "latest_time": "2026-10-14T22:00:00Z",
      "symbol": "BTC_USDT",
      "unit": "usd",
      "venue": "gate"
    }
  ],
  "coin": "BTC",
  "colo": null,
  "disclaimer": "Data only, not investment advice, not a benchmark; not affiliated with any exchange",
  "request_id": "01KEXAMPLE0000000000000000",
  "see_also": {
    "endpoint": "https://derivs.duoleads.com/v1/liquidations",
    "params": [
      "coin",
      "hours"
    ],
    "reason": "Open interest falling? See the recent long and short liquidations per venue."
  },
  "total_oi_coins": 188622.1742,
  "total_oi_usd": 15396127720,
  "units": {
    "change_pct": "percent change of the venue's own OI series (unit in `unit`)",
    "oi_coins": "coins (one side of the book), all perpetuals of the coin on the venue",
    "oi_usd": "USD (OI x mark price)",
    "share_pct": "percent of the total oi_usd",
    "times": "ISO 8601 UTC"
  },
  "venues": [
    {
      "as_of": "2026-10-14T23:00:00Z",
      "oi_coins": 53224.3312,
      "oi_usd": 4344915053,
      "share_pct": 28.2208,
      "stale": false,
      "symbols": [
        "BTC_USDT"
      ],
      "venue": "gate"
    },
    {
      "as_of": "2026-10-14T23:00:00Z",
      "oi_coins": 40178.15264,
      "oi_usd": 3279501531,
      "share_pct": 21.3008,
      "stale": false,
      "symbols": [
        "BTC"
      ],
      "venue": "hyperliquid"
    },
    {
      "as_of": "2026-10-14T23:00:00Z",
      "oi_coins": 38822.6842,
      "oi_usd": 3168502615,
      "share_pct": 20.5799,
      "stale": false,
      "symbols": [
        "BTC-USD-SWAP",
        "BTC-USDT-SWAP"
      ],
      "venue": "okx"
    }
  ],
  "venues_missing": []
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://derivs.duoleads.com/v1/open-interest?coin=BTC'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://derivs.duoleads.com/v1/open-interest?coin=BTC' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

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

// Pays at most $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fderivs.duoleads.com%2Fv1%2Fopen-interest
const res = await pay("https://derivs.duoleads.com/v1/open-interest?coin=BTC");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://derivs.duoleads.com/v1/open-interest?coin=BTC")
    print(res.status_code, res.text)