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From how cashback works to tax, calculation methods and broker-specific cautions. Everything is written after checking official primary sources.
Basics
基礎知識How Cashback Sites Make Money: Why They Are Free to Use
Why are cashback sites free? We explain the revenue model of sharing part of a broker's partner reward, why your trading costs do not rise, and how XB approaches transparency about its earnings.
基礎知識Are Cashback Sites Safe? 5 Ways to Spot a Scam
Is a cashback site safe? Learn to spot scams with five checks: operator info, terms, payout method, the personal data requested, and how rewards are shown. We also explain why XB never takes account details.
基礎知識What Is Zero Cut in Overseas FX? How It Works vs. Margin Calls
Zero cut in overseas FX means the broker covers a negative account balance and resets it to zero. We explain how it differs from margin calls (oikin) in Japan's domestic FX and how to check the conditions.
基礎知識Trust Preservation vs. Segregated Funds in Overseas FX: Are Funds Safe?
What is the difference between trust preservation and segregated funds at overseas FX brokers? We explain the general difference between deposits at a trust bank and keeping funds apart, and how to check officially.
基礎知識Forex Bonus Withdrawal Rules | Terms That Cancel Your Bonus
Can you withdraw an offshore forex bonus, and when does it disappear? A general overview of withdrawal conditions, example terms, and how bonuses differ in nature from cashback, which is also covered here.
基礎知識Offshore Forex Deposit Methods | Fees, Timing and Cautions
Offshore forex deposit methods sorted into Japanese bank transfer, credit card, online wallet, and crypto. See how fees and crediting times differ, cautions such as matching names, and examples of each broker's guidance.
基礎知識Offshore Forex Cashback Disadvantages: 7 Cautions and Fixes
Offshore forex cashback has downsides too. An honest look at 7: referral link required, no existing accounts, account type limits, bonus stacking, taxes, rule changes and the urge to overtrade, with fixes.
基礎知識Overseas FX Account Opening: 5 Steps and Required Documents
Overseas FX account opening in 5 steps, from registration to your first deposit. Beginner-friendly: general document requirements, common stumbling points, and why a referral link through XB matters.
基礎知識What Is Overseas FX Cashback? How It Works, Why It Exists, and Cautions
Overseas FX cashback returns part of your trading cost based on trading volume (lots). Learn why it is paid, how it differs from bonuses, and what to watch for when receiving it.
基礎知識What Is Auto Rebate? How It Differs from Cashback Sites
Auto rebate means the broker's system returns cashback to your trading account automatically. Compare it with traditional cashback sites, including pros, cons, and why XB only lists auto-rebate brokers.
基礎知識Can You Combine Forex Cashback and Bonuses? Differences and How to Choose
Can overseas FX cashback and bonuses be combined? Whether you can depends on broker terms. Learn how margin differs from account balance, how to choose by trading volume, and how to think about the calculation.
基礎知識How to Choose a Cashback Site: 7 Comparison Points and Pitfalls
How to choose a forex cashback site, compared on 7 points: payout method, payment frequency, minimum payout, supported brokers, transparency, terms and support. Includes pitfalls of high-rebate claims.
How to Receive
受け取り方Overseas FX Cashback Not Reflected? 7 Common Causes
Cashback from overseas FX not showing up? We break down 7 causes: no referral link, ineligible account, KYC, timing, minimum amount and rule violations, plus a sample inquiry.
受け取り方Cashback on Existing Overseas FX Accounts: How Linking Works
Can you get cashback on an existing overseas FX account, and can it be linked? We explain why many brokers exclude them, how to use an extra or new account, and what to check before asking.
受け取り方Switching Overseas FX Brokers: Cashback via an Extra Account
How to think about switching to another broker or eligible account in overseas FX. Whether an extra account or new registration works depends on the broker's terms. Also covers moving funds and why not to move with open positions.
受け取り方How to Receive Overseas FX Cashback: 4 Steps and Common Mistakes
A 4-step guide to receiving overseas FX cashback: using a referral link, identity verification, trading, and automatic crediting. Includes common mistakes and how to confirm that cashback has been credited.
Comparison and Selection
比較・選び方How to Choose an Offshore Forex Broker | 7 Criteria and 5-Broker Table
How to choose an offshore forex broker, sorted into 7 criteria: license, trading costs, minimum deposit, leverage, platforms, Japanese support, and cashback. Includes a comparison table of the 5 brokers XB covers.
比較・選び方Best Offshore Forex Cashback Brokers Compared [2026]
Offshore forex cashback brokers compared: XS, HFM, Axi, Exness and DecodeFX by account type, spread, commission, minimum deposit, leverage and tools. Includes how to choose by goal.
By Broker
業者別XS Spreads and Fees: Real Cost Compared by Account Type
XS spreads and fees by account type, with the cost of 1 lot worked out in yen. We cover Standard, Pro, and Elite, and how to think about real cost after cashback is subtracted.
業者別HFM Spreads: Fees and Real Cost by Account, Compared in Yen
HFM spreads and fees by account, with the cost of 1 lot worked out in yen. We cover Premium, Pro, Zero, and KATANA, and how to think about real cost after cashback is subtracted.
業者別Axi Spreads and Fees | Real Cost of Standard and Premium
Axi spreads and fees by account type, with the cost of 1 lot worked out. See how Standard (no commission) differs from Premium ($4.5 round turn) and how to think about cost after cashback.
業者別Exness Spreads | Fees and Real Cost by Account Type
Exness spreads and fees by account type, with the cost of 1 lot worked out in yen. See how Standard, Pro, and Zero differ and how to think about real cost after cashback.
業者別XM Cashback Is Being Prepared on XB | 5 Supported Brokers
XM (XMTrading) cashback and rebates are currently being prepared for listing on XB. See the account types and minimum deposits the official site describes, and how the 5 currently supported brokers differ.
業者別XS Account Opening Steps: Documents, Account Types, Deposit
XS account opening from registration to deposit: the flow, required documents, identity verification tips and how to choose an account type, plus notes on starting from the dedicated XB link.
業者別HFM Account Opening Steps: From myHF to First Deposit
HFM account opening from creating myHF to your first deposit: the flow, required documents, identity verification tips and how to choose an account type, plus notes on starting from the dedicated XB link.
業者別Axi Account Opening Steps: Documents, Account Types, Deposit
Axi account opening from registration to deposit: the flow, required documents, identity verification tips and how to choose between Standard, Premium and Elite, plus notes on the dedicated XB link.
業者別Exness Account Opening Steps: Documents, Types, Deposit
Exness account opening from registration to deposit: the flow, required documents, identity verification tips and how to choose among 5 account types, plus notes on the dedicated XB link.
業者別XS Cashback: How to Receive It, Account Types and Cautions
How much cashback does XS pay and how do you receive it? Trade on a new account opened via XB and it is credited automatically to your trading account. Account types, steps and exclusions, with official verification dates.
業者別HFM Cashback: How to Receive It, Account Types and Cautions
How much cashback does HFM pay and how do you receive it? Trade on a new account opened via XB and it is credited automatically to your trading account. Account types, timing and exclusions, with official verification dates.
業者別Axi Cashback: How to Receive It, Account Types and Cautions
How much cashback does Axi pay and how do you receive it? Trade on a new account opened via XB and it is credited automatically to your trading account. Standard, Premium and Elite conditions and exclusions, with official verification dates.
業者別Exness Cashback: How to Receive It, Accounts and Cautions
How much cashback does Exness pay and how do you receive it? Trade on a new account opened via XB and it is credited automatically to your trading account. 5 account types, how it differs from a bonus, and exclusions, with official dates.
業者別DecodeFX Cashback: How to Receive It, Accounts and Cautions
How much cashback does DecodeFX pay and how do you receive it? Trade on a new account opened via XB and it is credited automatically to your trading account. STD, PRO and CENT account types and exclusions, with official dates.
Tax and Rules
税金・ルールOverseas FX Tax Return Guide for Japan Residents: Documents and Steps
How to file a tax return for overseas FX in Japan, step by step: preparing annual trade records, the NTA filing portal, the deadline, and totaling cashback. Confirm tax class with an expert.
税金・ルールCashback Double Dipping: Bonus Stacking Rules and Cautions
How far can you stack overseas FX cashback? We cover combining it with bonuses, using several sites, and actions that may break broker rules. Check each broker's terms for what is allowed.
税金・ルールOverseas FX Cashback Tax in Japan: Miscellaneous Income and Tax Returns
Is overseas FX cashback taxable? Based on general explanations from the National Tax Agency of Japan, this guide for Japanese residents covers miscellaneous income and tax return guidelines. Confirm individual cases with a tax accountant or tax office.
Cost Calculation
コスト計算How Much Cashback per Lot? Lot Calculation Method and Examples
How much does overseas FX cashback return per lot? Learn the definition of a lot, round-turn vs. one-way counting, and the "USD per lot × lots" formula, with examples for 0.1, 1, and 10 lots.
コスト計算Spread Cost Calculation: How to Find Effective Spread and Compare Commissions
Learn how to convert spreads into money and how to think about the effective spread after cashback. Includes a step-by-step comparison with commission accounts, using pip value, round-turn commissions, and an assumed cashback amount.
コスト計算Is Cashback Better for Scalping and EAs? How to Think About Effective Cost
Scalping and EAs trade often, so cashback adds up quickly. Learn how to think about effective cost for spread and commission accounts, and why you must check broker terms on scalping and EA use.