FX BASICS / COLUMN

A Book vs B Book Brokers List: What 8 Brokers' Official Documents Say

A-book vs B-book explained neutrally, plus what the official documents of XS, HFM, Axi, AXIORY, DecodeFX, Monaxa, Exness and Vantage actually say. Checked 4 Nov 2026.

You searched for an A-book or B-book broker and found no answer on the official sites. Many traders then turn to a brokers list.

In short, none of the 8 brokers listed on this site uses the words A-book or B-book in its official documents. What they do state is whether they act as counterparty and whether a dealing desk is involved.

This page tabulates the execution policies, agreements and help pages checked on 4 November 2026. It does not classify brokers; it only lines up what is published.

Short answer: no listed broker calls itself A-book or B-book

Four numbers showing that none of the 8 listed brokers uses the words A-book or B-book
  • A-book: an industry term for passing client orders on to outside liquidity
  • B-book: an industry term for the broker holding the other side of client trades
  • Hybrid: using both, by order or by client
  • None of the 8 listed brokers uses these three words in official documents (checked 4 Nov 2026)
  • Compare brokers by what they state: counterparty, hedging, dealing desk
Source: each broker's official documents (checked 4 Nov 2026). Details below
BrokerType of statement
XSPrincipal and sole execution venue
HFMExecution venue for CFD orders
AxiPrincipal; client exposure hedged elsewhere
AXIORYNo dealing desk intervention
DecodeFXStates an NDD method
MonaxaPrincipal; does not hedge every trade
ExnessThe entity is the sole counterparty
VantageOrders sent to several liquidity providers (another entity's document)

This table is not a classification. It is a short paraphrase of the official wording. None of the brokers checked here publishes a hedge ratio as a number.

A-book, B-book and hybrid: how the models differ

Illustration of an order passing a broker and then going to an outside provider or staying in-house

A-book means passing the client order to an outside liquidity provider such as a bank. B-book means the broker keeps the other side of the trade in-house.

TermWhere the order goesWhat happens at the broker
A-bookPassed to outside liquidityLess affected by client P&L
B-bookBroker holds the other sideClient P&L reaches the broker
HybridSplit by order or clientNo document with the rule found

The routing rule of a hybrid model is not stated in any of the 8 brokers' documents checked here. A list claiming to know it has no official backing.

Acting as principal does not mean B-book

The AxiTrader LLC Client Agreement (effective 7 July 2026) says Axi acts as principal counterparty. It also says Axi enters hedge transactions with other counterparties for client exposure. Being the contract counterparty is a separate matter from routing orders outside.

Overseas FX spread comparison, with DD and NDD explained

What changes for traders: spreads, fills and conflicts of interest

Table comparing how price, fills, revenue and conflicts can differ between routed and in-house models

A model name alone does not tell you whether spreads are tight or fills are fast. Read the stated conditions and the actual fills separately.

  • Routed model: a provider may cancel a trade (AXIORY terms 14.6)
  • In-house model: the broker controls price, execution and speed (Exness help)
  • Both: XS, HFM and Vantage publish conflicts policy documents
  • Published rule example: Exness lists slippage-free ranges for pending orders

The Exness help page publishes a slippage-free range for pending orders. If the gap between the order price and the market price at execution is smaller than the range, the order fills at your price; if it equals or exceeds the range, it fills at the market price.

The ranges are 0-8 pips for EURUSD and USDJPY and 0-15 pips for GBPJPY (updated 17 September 2026, checked 4 November). The page says they vary with market conditions and trading activity.

Neither 'B-book is bad' nor 'A-book is safe'

Cancellations by providers and requotes can occur even when orders are routed out. Judge by whether execution rules and conflict management are published, not by the label.

A book brokers list: what 8 brokers' official documents say

AXIORY official order execution policy page, stating automatic execution via liquidity providers without dealing desk intervention
Source: AXIORY official website (captured 4 November 2026)

Third-party A-book lists mix in guesses. Here, only wording found in each broker's own documents is listed.

Source: each broker's official documents and pages (checked 4 Nov 2026). 'Not disclosed' means not found in the scope checked here
Broker and documentGist of the official statement
XS: XS Ltd Order Execution PolicyAlways acts as principal (counterparty) and is the sole execution venue. Says it assesses hedging liquidity and price providers. Most trades run on internal automated systems; some are manual
HFM: HF Markets (SV) Ltd Order Execution Policy (Jan 2026)The company is the execution venue for CFD orders. Quoted prices come from its liquidity provider. Trades are over the counter
Axi: AxiTrader LLC Client Agreement (effective 7 Jul 2026)Acts as principal counterparty to all trades and hedges client exposure with other counterparties. Its website says it connects directly to 20+ liquidity providers
AXIORY: official order execution policyExecutes all orders automatically via liquidity providers and says no dealing desk creates conflicts. Terms allow changing or cancelling a trade if a provider cancels
DecodeFX: official account types pageNDD method for all accounts. The table shows NDD for all three; order method STP, STP, ECN. No order execution policy document found
Monaxa: Best Execution Policy (Apr 2023) and Price and Execution pageSole execution venue and principal, a market maker. It does not hedge all client trades, so it may hold unhedged positions. The page says your order and its hedge are separate
Exness: help page Execution (updated 4 Sep 2026)The entity is the sole counterparty. Liquidity and execution are provided in-house as market maker. Details in the next section
Vantage: Vantage Prime Trading Ltd Best Execution Policy (Dec 2023) and help page on account typesActing as agent broker, it sends orders by STP to several liquidity providers. One provider shares shareholders with it, and the policy says the conflict is managed. Accounts: Premium is called STP; Standard has direct dark pool access
Top of the Monaxa Price and Execution page with headings such as Trading with Monaxa, Conflicts of interest and Order vs hedge
Source: Monaxa official website (captured 4 November 2026)
Documents differ by legal entity

The documents above belong to the entity found on each public page. Another entity's version may differ, and the Vantage policy belongs to Vantage Prime Trading Ltd (Saint Lucia). Confirm your contracting entity when you open an account.

Exness B book: what the official Execution help page says

Four points from the Exness help page: counterparty, in-house, no label and update date

Searching exness b book returns third-party classifications. Exness itself explains the following in its help center (Japanese edition, updated 4 September 2026, checked 4 November).

  • Counterparty: the applicable entity is the sole counterparty (you do not trade with the underlying market directly)
  • Liquidity and execution: provided in-house, with an Exness entity acting as market maker
  • Revenue: spreads, commissions and swaps where applicable, not individual trade outcomes
  • Order flow: natural netting can occur between buy and sell orders
  • Labels: it avoids market titles and explains how its model works instead

The official words are market maker and sole counterparty. The terms A-book and B-book are not used.

What can be said is that liquidity and execution are provided in-house. Whether every order is held or some are passed out is not stated officially.

Execution types are in the help center

On Pro accounts you can choose instant execution, and a requote notice appears if the price changes. Other accounts use market execution, where the fill price can differ (updated 19 September 2026, checked 4 November).

Exness safety and reputation checked against official information

Is NDD, STP or ECN the same as A-book?

DecodeFX account types page with numbered marks showing where NDD is stated

DecodeFX states NDD (No Dealing Desk) on its page and uses STP and ECN as order methods in its table. That wording alone does not reveal how fills work in detail.

Source: DecodeFX, AXIORY and Vantage official pages (checked 4 Nov 2026)
TermHow it appears officiallyCaution
NDDStated by DecodeFX as the execution methodDefinitions vary; check the documents
STPUsed by DecodeFX and Vantage as a model nameAn account name does not show execution
ECNOrder method at DecodeFX, account name at VantageAlso a label for fee structure
Dealing deskAXIORY says none intervenesNot mentioned by the others
This site has not tested execution

Even when an account name includes STP or ECN, confirm the mechanism in the execution policy and terms. This site has not tested any broker's order handling.

How to check a broker's order execution policy yourself

Checklist of six points to read in an order execution policy
  1. 01
    Open the legal documents page

    Use Legal Documents in the site footer. XS, HFM and Vantage have document list pages.

  2. 02
    Open the Order Execution Policy

    Start with the Execution Venue section. XS, HFM and Monaxa say there that they are the venue.

  3. 03
    Search for the key words

    Look for principal, counterparty, hedge and liquidity provider. The table below shows how to read them.

  4. 04
    Read the conflicts policy

    The Conflicts of Interest Policy explains how conflicts are managed. XS, HFM and Vantage publish one separately.

  5. 05
    Record what is missing

    Note missing items as not disclosed. Ask support and keep the answer in writing.

Source: each broker's official documents (checked 4 Nov 2026)
WordHow to read itFound at
principal, counterpartyThe broker is the contract counterpartyXS, Axi, Monaxa, Exness
hedgeOffsetting client risk with outside partiesXS, Axi, Monaxa
liquidity providerSource of prices or coverXS, HFM, Axi, AXIORY, Monaxa, Vantage
Execution VenueWhere orders are executedXS, HFM, Monaxa

Prohibited trading and account freezes: how exploit-type trades are handled

Spreads and trading commission basics

Editorial conclusion: how to read 'best A book brokers' lists

Illustration of three actions: read the policy, check fills, start small
  • To avoid fill complaints: check whether the execution policy and slippage or requote rules are published
  • If conflicts concern you: look for a conflicts policy and the principal statement
  • If cost comes first: compare official spreads and commissions, not model names
  • If unsure: start small and keep your own fill records
Editorial conclusion

A 'best A-book brokers' ranking relies on guesses not found in official documents. This site does not rank brokers by model; it separates what is stated from what is not. Decide by how openly documents are published and by your own fill records.

Trading risk

FX, CFD and leveraged trading can cause losses beyond your deposit. A difference in execution model does not remove the risk of loss.

Frequently asked questions

Q. What is the difference between A-book and B-book?

A. A-book passes client orders to outside liquidity, while B-book means the broker holds the other side. Using both is called hybrid. None of the 8 brokers listed here uses these words in official documents (checked 4 November 2026).

Q. Is A-book safer than B-book?

A. The model alone does not decide safety. Provider cancellations and requotes can occur when orders are routed out. Check whether the execution policy, conflicts policy and execution rules are published.

Q. Is there an A book brokers list for overseas FX?

A. This site does not make a list by model. It tabulates what official documents say for the 8 listed brokers, and records 'not disclosed' where nothing was found.

Q. Is Exness a B book broker?

A. Its help page says the entity is the sole counterparty and that liquidity and execution are provided in-house as market maker. It does not use the term B-book and says it avoids such labels (updated 4 September 2026).

Q. Does NDD mean A-book?

A. NDD means no dealing desk and some brokers use it officially, but definitions vary. DecodeFX states an NDD method without using the word A-book.

Q. Can I not win with a B-book broker?

A. The model alone does not decide results. In an in-house model client losses can affect the broker, so check the conflicts policy. Exness says its revenue does not depend on individual trade outcomes.

Q. How can I check a broker's execution model officially?

A. Open the Order Execution Policy and Conflicts of Interest Policy from the legal documents page. Ask support about missing points and keep the reply in writing.

Sources and conditions

Where to confirm the current conditionsThis column was edited on 4 November 2026 from the official sources above and FX Textbook listing data. Trading conditions, offers and applicable terms can change; confirm the current terms in each broker's official client area before you act.
Important risk information

FX Textbook is an independent information site, not a broker or provider of personal investment advice. Forex and CFDs involve risk. You may lose some or all of your invested capital. No trading result is guaranteed.

NEXT STEP

Compare account terms, not model labels.

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Brokers covered in this column

Account types, trading conditions and current offers are on each broker page.

BROKER INFORMATIONXS: account options and conditionsBROKER INFORMATIONHFM: account options and conditionsBROKER INFORMATIONAxi: account options and conditionsBROKER INFORMATIONAXIORY: account options and conditionsBROKER INFORMATIONDecodeFX: account options and conditionsBROKER INFORMATIONMonaxa: account options and conditionsBROKER INFORMATIONExness: account options and conditionsBROKER INFORMATIONVantage Trading: account options and conditions

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