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API Documentation

market:options:tickers:cme

Subscribes/Unsubscribes to options open interest data for CME.

Make sure you're connected to this subscription: wss://ws.web3api.io/cme. You must specify the instrument symbol.

🚧

CME Authorization

You must have a valid license directly with CME to consume CME data via Amberdata's Websockets. Please connect with your Amberdata Account Executive if you have any questions.

Request

{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "subscribe",
    "params": [
        "market:options:tickers:cme",
        {
            "symbol": "W2AK3 C29750"
        }
    ]
}
ParamTypeDescription
symbolstringThe asset instrument.

Response

{
    "jsonrpc": "2.0",
    "method": "subscription",
    "params": {
        "subscription": "4r062vndbef0b4prtt7q40jszi2riz7zxlrtwt37gxnvedr1svsnzkhup2hvvtr6",
        "result": {
            "exchange": "CME",
            "symbol": "W2AK3 C29750",
            "exchangeTimestamp": 1683119627555,
            "exchangeTimestampNanoseconds": 590879,
            "receivedTimestamp": 1683119627617,
            "receivedTimestampNanoseconds": 748,
            "sentTime": "2023-05-03T13:13:47.555677767Z",
            "tradingStatus": "ReadyToTrade",
            "instrument": {
                "definitionSource": "E",
                "exchangeMic": "XCME",
                "id": "525633",
                "marketSegmentId": "74",
                "periodCode": "202305",
                "productCode": "W2A",
                "productGroup": "B1",
                "productType": "OOF",
                "symbol": "W2AK3 C29750",
                "putOrCall": "Call",
                "strikePrice": "29750000000000",
                "underlyingSymbol": "MBTK3"
            },
            "askLevel": [
                {
                    "lastUpdateTime": "2023-05-03T13:13:47.555590879Z",
                    "orderCnt": 1,
                    "price": "270",
                    "qty": 134
                }
            ],
            "bidLevel": [
                {
                    "lastUpdateTime": "2023-05-03T13:13:47.555590879Z",
                    "orderCnt": 1,
                    "price": "235",
                    "qty": 100
                }
            ]
        }
    }
}

Example

const WebSocket = require('ws');
const ws = new WebSocket('wss://ws.web3api.io/cme', {headers: {x-api-key:'<api_key>'}});

ws.on('open', () => {
  ws.send(JSON.stringify({
      jsonrpc: '2.0',
      method: 'subscribe',
      params  : [ "market:options:tickers:cme", { "symbol": "W2AK3 C29750" } ],
      id: 1,
    }));
});

ws.on('message', data => {
  console.log(JSON.stringify(JSON.parse(data), null, 2));
});