Open Interest Event

Open Interest Event message for JSON Full Packet.

socket.on("1510-json-full",function(data){
  console.log("data is "+data);
});

Response to 1510-json-full response

{
    "ExchangeInstrumentID": 46923,
    "ExchangeSegment": 2,
    "ExchangeTimeStamp": 1399111953000000000,
    "MessageCode": 1510,
    "OpenInterest": 2296455,
    "OpenInterestChange": 20520,
    "UnderLyingTotalOpenInterest": 0,
    "UnderlyingExchangeSegment": 1,
    "UnderlyingIDIndexName": "Nifty Bank",
    "UnderlyingInstrumentID": 26009
}

Open Interest Event message for JSON Partial Packet.

socket.on("1510-json-partial",function(data){
  console.log("data is "+data);
});

Response to 1510-json-partial response

{
    "oi": 2294550,
    "oic": 18615,
    "t": "2_46923",
    "toi": 1399112675000000000,
    "uex": 1,
    "uid": 26009,
    "uidx": "Nifty Bank"
}

Reference

Symbol	Explanation
t	Exchangesegment_instrumentID(exchange segment enum with underscore along with instrumentID of the particular subscribed instrument)
o	Open