24-7 CME CF Cryptocurrency Indices

This topic contains information about 24-7 CME CF Cryptocurrency Indices. CME Group and Cryptocurrency Facilities (CF) offer customers 24/7 access to cryptocurrency pricing data via web service technology. This solution is offered in addition to Streamlined SBE Cryptocurrency Market Data, providing CME Group clients a robust pricing index source for virtual currencies: CME CF Cryptocurrency Reference Rate and CME CF Cryptocurrency Real Time Index. This data goes back to December 19, 2016.

The pricing data can be used as Cryptocurrency price reference points in derivatives that help manage the risk of cryptocurrency investments through: 

• CME CF Cryptocurrency Real Time Index, which allows users real-time access to cryptocurrency prices for 24 hours a day, 7 days a week and 365 days a year.   
  • The cryptocurrency Real Time Index aggregates global demand to buy and sell cryptocurrency into a consolidated order book and reflects the real-time U.S. dollar price of cryptocurrency.
• CME CF Cryptocurrency Reference Rate, which provides a final settlement price in U.S. dollars shortly after 4 p.m. London time.
  • The cryptocurrency reference rate aggregates the trade flow of major cryptocurrency spot exchanges during a specific calculation window into a once-a-day reference rate of the U.S. dollar price of the cryptocurrency.

Contents

Onboarding and Certification

Contact CME Group support to begin the onboarding process. Firm administrators can use CME Group Login to manage CME Group Cryptocurrency API IDs and passwords. 

Certification for 24/7 cryptocurrency market data is not required. 

Hours of Availability

CME Group publishes cryptocurrency real-time index pricing data once per second for 24 hours, 7 days a week and 365 days a year. The settlement price, based on transactions from several cryptocurrency spot exchanges, is disseminated daily, shortly after 4 p.m. London time.

Self-Service Platform

24/7 Cryptocurrency Market Data Access

Technology

24/7 cryptocurrency market data is built upon Representation State Transfer (REST) web service technology. In this methodology, HTTP URLs and methods (such as GET, POST, etc.), parameters, and statuses are used to model the remote procedure call behavior. 

The implementation utilizes the industry standard JSON format with custom CME Group extensions. 

HTTP Usage

Users send Query Requests by invoking the HTTP POST method to a URL of the form https://{{Path}}/streaming/v1/btcindexJson? where CME Group assigns {{Path}} and communicates it to the user. Connections to the API utilize HTTPS to provide security. Users transmit a username and password, assigned by CME Group, via HTTP Basic authentication.

Access is defined at the dataset level, in JSON format, through a group and role-based entitlement system.

• Users accessing 24/7 cryptocurrency market data through a web browser can use the following curl request:

curl -k --user {{UNO_API_KEY}}:{{UNO_API_PASSWORD}} https://{{URL}}/streaming/v1/btcIndexJson?
An example curl request:
curl -k --user API_JOHNSMITH:12345 https://https://datamine.api.cmegroup.com/streaming/v1/btcIndexJson?

• Users accessing 24/7 cryptocurrencymarket data through an API can use the following websocket request:

wscat -c wss://{{URL}}/streaming/v1/btcIndexJson? -n --auth{{UNO_API_KEY}}:{{UNO_API_PASSWORD}}
An example websocket request:
wscat -c wss://datamine.api.cmegroup.com/streaming/v1/btcIndexJson? -n --auth API_JOHNSMITH:12345

Streaming Criteria 

Users can append streaming criteria to the end of the url to query certain streaming data.

Available criteria for streamed data:

Message Specification

Market Data Incremental Refresh Message (msgType=MarketDataIncrementalRefresh)

This section describes the Cryptocurrency Market Data Incremental Refresh (msgType=MarketDataIncrementalRefresh) message for CME Group Cryptocurrency Spot Real Time Index and the daily Reference Price.

The → symbol indicates a repeating group field.

Message Layout per Pricing Data (msgType=MarketDataIncrementalRefresh)

Sample Incremental Messages

Security Definition Message (msgType=SecurityDefinition)

Security Definition (msgType= SecurityDefinition) messages are disseminated on the incremental feed when the client system logs on and at one hour intervals.

InstAttribType and InstAttribValue Table of Values

The following index attributes may be included in the Security Definition (msgType=SecurityDefinition) message:

Sample Security Definition Message

Listed Products

Reference Rates

Real Time Indices