After using Binance for a while, you may find your assets growing and your strategies becoming more complex. Maybe you're running quantitative bots while also swing trading manually. Maybe you're managing funds for family members but don't want everything mixed together. That's where Binance's sub-account feature comes in handy.
If you don't have a Binance account yet, start by signing up through the Binance website. Mobile users can also download the Binance App — the registration link includes a fee discount.
What Exactly Is a Sub-Account
Simply put, a sub-account is an independent trading account that sits under your main account. Each sub-account has its own login credentials, separate asset balances, and independent trade history — but is centrally controlled by the main account.
Think of it like departments within a company — each operates independently, but they all report to headquarters.
Core characteristics of sub-accounts:
- Asset isolation: Sub-account and main account funds are kept separate — they don't automatically mix
- Independent trading: Each sub-account can execute trades independently without affecting others
- Centralized management: The main account can view all sub-account balances, transfer funds, and set permissions
- Independent APIs: Each sub-account can have its own API keys — ideal for running different quantitative strategies
When Do You Actually Need Sub-Accounts
Not everyone needs them. Here are scenarios where sub-accounts genuinely help:
Scenario 1: Multi-strategy traders
If you're simultaneously running grid trading, trend following, and arbitrage strategies, keeping them in one account makes it hard to tell which strategy earned what. Sub-accounts let you isolate each strategy for clear P&L tracking.
Scenario 2: Team collaboration
For small trading teams, each member can use a sub-account. The main account holder can monitor everyone's activity and funds without sharing passwords.
Scenario 3: Multiple APIs for quantitative trading
Binance limits the number of API keys per single account, and it's best practice to use different keys for different bots. Multiple sub-accounts mean more independent API endpoints.
Scenario 4: Risk isolation
Keep the bulk of your assets in the main account and only transfer risk capital into sub-accounts. Even if something goes wrong in a sub-account, the main account's funds are unaffected.
Requirements for Opening Sub-Accounts
Sub-accounts aren't available to everyone — Binance has set certain thresholds:
- Identity verification complete: The main account must have passed KYC
- Account in good standing: No restrictions or freezes on record
- Two-factor authentication enabled: The main account needs Google Authenticator or another 2FA method
- Asset or volume requirements: Typically requires holding a certain amount of assets (exact thresholds are shown on Binance's page and may change over time)
VIP users have more relaxed limits and can create more sub-accounts. Regular users who meet the requirements can generally create several.
Step-by-Step: Creating a Sub-Account
Once you meet the requirements, the creation process is straightforward:
Step 1: Navigate to the sub-account page
Log in to the Binance web version. Click your profile icon in the top-right corner and find "Sub-Account" in the dropdown menu. You can also search for "Sub-Account Management" in the search bar.
Step 2: Click "Create Sub-Account"
On the sub-account management page, click the "Create Sub-Account" button. The system will ask you to set up basic information.
Step 3: Fill in sub-account details
- Give the sub-account a name for easy identification (e.g., "Quant Strategy A" or "Manual Swing")
- Choose the sub-account type: standard or managed
- Set the sub-account's email (each sub-account needs a unique email for login)
Step 4: Set up login credentials and security
After creation, the system sends a verification email to the sub-account's email address. Follow the prompts to set a password and bind security verification.
Step 5: Transfer funds from the main account
A newly created sub-account has a zero balance. Return to the main account and use the "Transfer" function to move funds from the main account to the sub-account. Transfers are instant and fee-free.
Important Notes When Using Sub-Accounts
Sub-accounts are convenient, but keep a few things in mind:
Transfer direction limitations: Sub-accounts cannot transfer directly to each other. Funds must first go back to the main account, then to another sub-account. If you frequently shuffle funds between sub-accounts, this adds an extra step.
Withdrawal permissions: By default, sub-accounts cannot withdraw directly — all withdrawals must go through the main account. You can enable sub-account withdrawal permissions from the main account settings, but proceed with caution.
API permission management: When creating APIs for sub-accounts, grant only the permissions needed. If a sub-account only needs to read market data, don't give it trading permissions.
Fee tier sharing: Sub-account trading fee rates are tied to the main account's VIP level. All sub-account trading volume is aggregated, which helps boost your overall VIP tier.
Independent risk management: Each sub-account's liquidation is calculated independently. Sub-Account A getting liquidated won't affect Sub-Account B or drag down the main account. This is especially important for leverage users.
Main Account vs. Sub-Account: Summary
| Feature | Main Account | Sub-Account |
|---|---|---|
| Identity verification | Must complete | Shares main account's KYC |
| Assets | Independent | Independent |
| Trading | Independent | Independent |
| Withdrawals | Allowed | Disabled by default; requires main account authorization |
| VIP level | Aggregated calculation | Shares main account's level |
| API | Independent | Independent |
If your trading scale is still small and you're operating a single strategy, you don't need sub-accounts yet. When you start getting into quantitative trading or need asset isolation, you can set them up at that point. Sub-accounts are an advanced tool — used well, they bring real clarity to asset management.