Transfer Of Contracts

GET

/transferOfContracts

Orderflow

Measures the transfer of contracts between traders by calculating the absolute difference between volume and open interest change (|volume − OI change|). This metric captures contract transfers that do not change net open interest, such as position rollovers or transfers between participants.

Request

Authorization

API Key

Add parameter in header

x-api-key

Example:

x-api-key: ********************

OAuth 2.0

Client Credentials

Add the parameter

Authorization

to Headers，whose value is to concatenate the Token after the Bearer.

Example:

Authorization: Bearer ********************

Token URL: https://api.hyblockcapital.com/v2/oauth2/token

Query Params

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location 'https://api.hyblockcapital.com/v2/transferOfContracts?coin=BTC&exchange=binance_perp_stable&timeframe=1m&limit=50&startTime=1782777600&endTime=1782864000&sort=asc&marketTypes=all&advanceFilter=none' \
--header 'x-api-key: <api-key>' \
--header 'Authorization: Bearer <token>'

Responses

🟢200OK

application/json

Bodyapplication/json

Example

{
    "data": [
        {
            "openDate": 1783686300,
            "transferOfContracts": 38.59201736457567
        }
    ],
    "metadata": {
        "exchanges": [
            "binance_perp_stable"
        ]
    }
}

🟠400Bad Request

🟠422Unauthorized

🔴500Forbidden

Modified at 2026-08-04 07:40:05

Slippage

Volume delta