Trade-Backed Natural Gas Indices

About Us

Tankard is an industry initiative created and developed by ICAP, Marex Spectron and Tullett Prebon. The Tankard indices are made up of natural gas trades arranged by these three brokers and are calculated by ICAP Information, ICAP's provider of post-trade risk and information services.

ICAP Energy Limited

ICAPICAP Energy, a subsidiary of ICAP plc, is an innovative leader in the energy and shipping industries, providing full-service and over-the-counter broking and advisory capabilities to a broad spectrum of businesses throughout the world.

The group has approximately 350 staff located in London, North America, Singapore, Sydney, Geneva, Bergen, Amsterdam, Madrid, Copenhagen and Sao Paulo. ICAP Energy offers real-time price discovery and execution services in crude oil and oil products, biofuels, agriculture and softs, base and precious metals, iron ore, electricity, natural gas, coal, emissions, freight, weather derivatives and physical products. ICAP Energy was named "Broker of the Year" in 2013 by Energy Risk magazine in a poll of over 1,500 market participants.

For more information please visit

Marex Spectron Group

Marex SpectronMarex Spectron is one of the world's largest commodities brokers, with market-leading positions in metals, energy, agricultural products, freight and environmental markets. The Group also offers clients financial futures and foreign exchange broking. Clients include commodity producers and consumers, banks, brokers, CTAs, hedge funds and professional traders. Marex Spectron Group is a member of the London Metal Exchange, the CME Group exchanges, ICE US, NYSE Liffe, ICE Futures and Eurex, and offers access to all major exchanges in the US and Asia.

The Group is headquartered in London with offices across the USA, Asia and Europe. Its subsidiaries are regulated by the Financial Services Authority in the UK, the National Futures Association in the US and the Securities and the Futures Commission in Hong Kong.

Marex Spectron Group is majority owned by JRJ Group and its partners, Trilantic Capital Partners and BXR Group.

For further information please visit

Tullett Prebon Group Limited

Tullett PrebonWith a heritage stretching back over 140 years and a presence in 21 countries, Tullett Prebon is one of the world's largest interdealer brokers. It acts as an intermediary in the wholesale financial markets across the following product groups: Energy & Commodities, Interest Rate Derivatives, Fixed Income Securities and their derivatives, Treasury Products and Equities.

In 2012, it was voted the overall number one broker in power for the fourth consecutive year by Risk and Energy Risk. The Energy & Commodities division provides a single comprehensive source for price information and liquidity, alongside insight and information on virtually every sector of the market.

For further information please visit


Download Tankard All Day Index File

By clicking the link below you agree to be bound by the terms of the Terms of Use, Disclaimer, Privacy Policy and Cookies Policy.

Click here to download the CSV file


Download Tankard 15:30 Index File

By clicking the link below you agree to be bound by the terms of the Terms of Use, Disclaimer, Privacy Policy and Cookies Policy.

Click here to download the CSV file


Download Tankard 16:30 Index File

By clicking the link below you agree to be bound by the terms of the Terms of Use, Disclaimer, Privacy Policy and Cookies Policy.

Click here to download the CSV file



This communication and all information (including the methodology, market prices/levels and data) contained therein (the "Information") is for personal and internal information purposes only unless specifically authorised otherwise in writing by ICAP ("Permitted Purpose"), is confidential and is the intellectual property of ICAP plc and/or one of its group companies ("ICAP"), Tullett Prebon (Europe) Limited and/or Marex Spectron International Limited (together "Tankard Parties").

You agree that you will not (i) disclose the Information or any part of it to any person (where "person" shall include without limitation any individual, partnership, company or corporation) except that you may disclose such Information to officers and employees of your employer, (ii) use the Information in any manner that may impair, damage, disable, interfere with or otherwise compromise the Information or anyone else's use of Information, or (iii) use the Information for any purpose other than the Permitted Purpose. You agree to comply with all laws and regulations governing the downloading, installation and/or use of the Information.

Save as provided above, or unless you have obtained the prior written consent of ICAP, you agree that: (i) the Information shall not be used to provide data or services to any other person; (ii) the Information shall not be leased, licensed, transferred, redistributed, retransmitted, resold, disclosed or otherwise made available to any other third party in any form whatsoever; (iii) the Information shall not be used to access, copy, transfer, retransmit or transcode content in violation of any law or third party right; and (iv) the Information shall not be used in any way whatsoever in connection with pricing engines, risk management systems, credit websites, portfolio management or mark-to-market functions. You agree to comply with all reasonable instructions notified to you by ICAP from time to time in relation to your access to and use of the Information.

All Information contained herein and any opinions expressed in it, have been derived from sources believed to be reliable and in good faith they are not to be relied upon as authoritative or taken in substitution for the exercise of your own commercial judgment. The Information is directed to Eligible Counterparties and Professional Customers only and is not intended for Retail Clients (as each term is defined by the rules of the Financial Conduct Authority ("FCA")). This information has no regard to specific investment objectives. Any opinions expressed in it are subject to change without notice and may differ from opinions expressed by other areas of the Tankard Parties and/or the ICAP group. This Information is not, and should not be construed as, an offer or solicitation to bid, sell or buy any product, investment, security or any other financial instrument. The Tankard Parties do not make any representation or warranty, express or implied, as to the accuracy, completeness or correctness of this information. The Tankard Parties do not accept any liability for any loss or damage, howsoever caused, arising from any reliance on any information or views contained in the Information.