Best of Book

Euronext’s Best of Book is a Best Execution service dedicated to retail investors. It offers price improvement for your orders on the 550 most liquid Euronext stocks, and the service operates within Euronext’s secure, fair and transparent Central Order Book

When you send your orders to your bank or broker, he can execute them on different exchange platforms, whether on the traditional stock exchange’s regulated markets – Euronext – or alternative platforms. With Best of Book, Euronext aims to offer the best prices on all the European markets for the retail investors’ orders, thanks to dedicated Liquidity Providers.

Liquidity Providers (LPs), or market makers, are specialist professionals and market members. Their role consists in providing in the Central Order Book of each stock the best price range available in Europe during the trading day.

In H1 2016, Best of Book users got best execution 99.08% of the time. 

You can trust Best of Book

Euronext has been managing exchanges in Europe for over 400 years – and we never cease to improve. Our prices are firm.
Best of Book operates within a regulated market and follows national regulators’ requirements.

Best of Book does not take sides

Unlike our competitors, Euronext offers you a true price as the trading is done in full competition within the Central Order Book where the liquidity is the deepest in Europe.
A pool of dedicated liquidity providers compete for your business, potentially improving the pricing available.
There is no conflict of interest in Best of Book’s trading model: we are not run by liquidity providers or brokers.

Best of Book makes your life easier

If you want Euronext to be the execution platform for your orders, you can simply ask your broker to send your orders to Best of Book. Your broker can send them through his existing access to Euronext.

With Best of Book, the price you see is the price you get

See competitive prices compared to the best prices available on the European markets (EBBO¹).

Your orders are executed in a totally transparent environment. To guarantee it, your broker gets daily Best Execution reports, so you are able to measure the quality of order execution and price improvements against clear, objective and measurable benchmarks.


Best of Book is based on Euronext’s superior execution quality:

  • In Q1 2016, Best of Book helped retail investors to save €6,446,997.
  • It delivered 99.11%³ of best execution success: 20.37%³ of the value traded was equal to the EBBO and 78.71%³ was better than the EBBO.

Which stocks are eligible on Best of Book?

The most liquid securities from Euronext’s national domestic indices: AEX®, AMX®, BEL 20®, CAC 40®, Next20®, CAC Mid 60®, PSI 20®.

Where can you use Best of Book?

The Best of Book service is available through the following Euronext market places: Paris, Brussels, Amsterdam and Lisbon.

How to access Best of Book?

You have the right to choose Euronext as the execution platform. So just ask your bank or broker to send your orders to Best of Bookvia their existing access.

Do you want proof of this best execution?

Ask your bank or broker to send you the best execution reports provided by Euronext.

¹In the best execution analysis provided by the third-party’, the EBBO (European Best Bid and Offer) refers to a benchmark price reflecting the best possible price available among all the European lit venues where the instrument could have been traded at the time of trade.
²For the stocks traded in Best of Book – in June 2016 (Source TAG Audit)
³In H1 2016 (Source: LiquidMetrix)