ACATS

Account Operations
beginner
6 min read
Updated Feb 20, 2026

What Is ACATS?

ACATS (Automated Customer Account Transfer Service) is a system that automates and standardizes the transfer of securities from one trading account to another at a different brokerage firm or bank.

ACATS, or the Automated Customer Account Transfer Service, is a centralized system developed and maintained by the National Securities Clearing Corporation (NSCC) to facilitate the transfer of assets between brokerage firms, banks, and other financial institutions. Before the implementation of ACATS, transferring an investment account from one broker to another was a manual, cumbersome, and paper-heavy process that could take weeks or even months to complete. The system was designed to standardize this procedure, ensuring that transfers are executed efficiently, securely, and within a predictable timeframe, typically ranging from three to six business days. The primary benefit of utilizing the ACATS system is that it allows for "in-kind" transfers. This means that if an investor owns 100 shares of Apple stock at Broker A, they can move those exact 100 shares to Broker B without having to sell them first. This capability is crucial for long-term investors because selling the shares to move cash would trigger a taxable event, specifically capital gains tax, if the shares have appreciated in value. With ACATS, the cost basis and original purchase date of the assets are preserved and transferred to the new firm alongside the securities. This preservation of tax lots is essential for maintaining a long-term investment strategy and avoiding unnecessary tax liabilities that could significantly erode portfolio value over time. The ACATS system connects thousands of financial institutions, including banks, broker-dealers, and clearing agencies, creating a unified network where asset movement is standardized, tracked, and regulated. It supports a wide range of asset classes, including stocks, bonds, options, ETFs, and mutual funds. However, it is important for investors to note that not all assets are compatible with every receiving broker. Certain proprietary funds, specific insurance products, or obscure securities may not be transferable through this system and might require liquidation before the account can be moved.

Key Takeaways

  • ACATS stands for Automated Customer Account Transfer Service.
  • It allows investors to transfer assets "in-kind," meaning they do not need to sell their holdings and incur tax events.
  • The system is overseen by the National Securities Clearing Corporation (NSCC).
  • Transfers typically take between three to six business days to complete.
  • During the transfer process, the account is usually frozen, meaning no trades can be executed.
  • Not all assets are eligible for ACATS transfer, such as certain proprietary mutual funds or annuities.

How ACATS Works

The ACATS process is initiated by the receiving broker—the firm where the investor intends to move their assets. The investor begins by signing a Transfer Instruction Form (TIF), which authorizes the new broker to contact the old broker (the delivering firm) and request the transfer of assets. Once this data is entered into the ACATS system, it acts as a formal request to transfer ownership custody from one entity to another without changing the beneficial owner of the assets. The process follows a strict timeline mandated by regulators, specifically under FINRA Rule 11870, which governs the timeframe for asset transfers: 1. Review Request: The delivering broker receives the transfer request through the ACATS system and has one business day to either validate or reject it. Rejections typically occur if the account information does not match exactly—for example, if the Social Security number is incorrect, the account number is invalid, or the account titles do not match (e.g., trying to move an Individual account into a Joint account). 2. Asset Staging: Once the request is validated, the delivering broker provides a list of assets to be transferred. This list is reviewed by the receiving broker to ensure they can custody all the assets. If the receiving broker cannot hold a specific asset (like a proprietary mutual fund), they may reject that specific asset while accepting the rest. 3. Settlement: The actual transfer of assets occurs. Standard settlements take place through the NSCC's continuous net settlement system. Cash is moved electronically, and securities are re-registered in the name of the new custodian. 4. Completion: The entire process, from initiation to the assets appearing in the new account, typically takes 5 to 7 business days. Simple transfers involving only cash or major exchange-listed stocks can sometimes settle faster. During this period, the delivering broker will place a freeze on the account. This ensures that the list of assets to be transferred does not change due to new trading activity. Any dividends or interest received during this "flight" period are typically swept over to the new account in a subsequent "residual credit" transfer that occurs after the main transfer is complete.

Step-by-Step Guide to an ACATS Transfer

1. Open the New Account: Before you can transfer anything, you must have an open account at the receiving broker. Ensure the account type matches exactly (e.g., Individual to Individual, Roth IRA to Roth IRA). 2. Initiate the Transfer: Log in to your new broker's platform and navigate to the "Transfer Assets" or "ACATS" section. You will need your old account number and the exact name of the delivering firm. 3. Select Transfer Type: Choose between a "Full Transfer" (moving the entire account balance) or a "Partial Transfer" (moving only specific stocks or cash amounts). 4. Submit Request: The receiving broker sends the request through the ACATS system to the delivering broker. 5. Wait for Validation: The old broker reviews the request details. If there are no discrepancies, the transfer is approved. 6. Settlement Period: Assets move through the clearing system. Your old account may show a zero balance before they appear in the new one. 7. Verify Assets: Once the transfer is complete, check the new account to ensure all shares and the correct cost basis data have arrived correctly.

Key Elements of ACATS

Three main parties are involved in every ACATS transaction: * The Delivering Member: The brokerage firm or bank that currently holds the assets and is sending them out. * The Receiving Member: The brokerage firm or bank that will receive the assets. They are responsible for initiating the process in the system. * The NSCC: The National Securities Clearing Corporation acts as the intermediary, facilitating the secure exchange of data and assets between the two firms. Additionally, the Transfer Instruction Form (TIF) is the legal document (often digital) that authorizes the transfer.

Important Considerations for Investors

While ACATS is efficient, there are potential roadblocks. First, Proprietary Products: Some brokers have their own mutual funds or annuities that cannot be held by other brokers. These must be sold (liquidated) before the transfer can complete, which may have tax consequences. Second, Margin Debt: If you have a margin loan at your old broker, the new broker must be willing to accept that debt. If your equity is too low or the new broker has stricter margin requirements, the transfer might be rejected. Third, Fees: The ACATS system itself doesn't charge you, but the delivering broker often charges an "outgoing account transfer fee" (typically $50-$100). Many receiving brokers will reimburse this fee if your account size meets a certain threshold.

Advantages of Using ACATS

The primary advantage is tax efficiency. By transferring in-kind, you avoid triggering capital gains taxes that would occur if you sold assets to move cash. Speed and convenience are also significant benefits. The automated nature of the system reduces human error and manual paperwork. It also provides a standardized timeline, so investors aren't left wondering when their funds will arrive. Finally, it allows for the consolidation of assets, making it easier to manage a portfolio in one place.

Disadvantages of Using ACATS

The main disadvantage is the "lock-up" period. Once the transfer is initiated, you cannot buy or sell assets in the account. In a volatile market, being unable to trade for a week can be risky. Additionally, not all assets are compatible. Partial transfers can be complicated if you hold complex options positions or fractional shares (which are usually liquidated to cash automatically). Errors in account numbers or mismatched account titles (e.g., "John Smith" vs. "John A. Smith") can cause rejections and delays.

Real-World Example: Moving to a New Broker

Sarah has a brokerage account at Broker A with $50,000 in Tesla (TSLA) stock and $10,000 in cash. She wants to switch to Broker B for their better trading tools. She opens an account at Broker B and requests a full ACATS transfer.

1Step 1: Sarah submits the ACATS request at Broker B on Monday.
2Step 2: Broker A receives the request on Tuesday and validates it.
3Step 3: Broker A freezes Sarah's account. She cannot sell her TSLA stock.
4Step 4: On Friday, the TSLA shares are removed from Broker A.
5Step 5: On the following Monday, the TSLA shares and cash appear in her Broker B account.
Result: Sarah successfully moved her portfolio without selling her stock. She was charged a $75 transfer fee by Broker A, which Broker B reimbursed.

Common Beginner Mistakes

Avoid these pitfalls when transferring accounts:

  • Trading during the transfer: Attempting to sell a stock after initiating a transfer can cause the transfer to fail or result in a "reject" status.
  • Ignoring proprietary funds: Failing to sell non-transferable funds beforehand can delay the entire process.
  • Mismatched account types: Trying to transfer a Roth IRA into a Traditional IRA or an Individual account will be rejected.

FAQs

Most ACATS transfers are completed within five to seven business days. Simple transfers of cash and major stocks can sometimes settle in as little as three days, while transfers involving options or bonds might take the full week.

The ACATS system itself does not charge the investor, but the delivering broker typically charges an "outgoing transfer fee" ranging from $50 to $100. The receiving broker usually does not charge a fee to accept the assets and may even offer to reimburse the delivering broker's fee.

Generally, no. ACATS is designed for securities like stocks, bonds, and mutual funds. Cryptocurrency is usually held in a separate wallet or system and must be transferred via blockchain transactions or by selling to cash, moving the funds, and rebuying.

ACATS typically only transfers whole shares. Any fractional shares you own at the delivering broker are usually liquidated (sold) automatically, and the resulting cash is transferred to the new broker as a "residual credit" a few days after the main transfer.

It is very difficult to stop a transfer once the delivering broker has validated it. You must contact the receiving broker immediately, but there is no guarantee the request can be cancelled in time.

The Bottom Line

ACATS is the industry standard for moving brokerage accounts, providing a secure and tax-efficient way for investors to switch service providers. By allowing assets to move in-kind, it protects long-term investors from unnecessary capital gains taxes and preserves the integrity of their portfolios. Investors looking to consolidate accounts or switch to a broker with lower fees may consider using ACATS. ACATS is the practice of automating asset transfers between financial institutions. Through the NSCC's centralized system, ACATS may result in a smoother, faster transition with fewer errors than manual methods. On the other hand, the account freeze during transfer is a risk for active traders. Investors should always verify fees and asset eligibility before initiating a transfer to avoid unexpected delays.

At a Glance

Difficultybeginner
Reading Time6 min

Key Takeaways

  • ACATS stands for Automated Customer Account Transfer Service.
  • It allows investors to transfer assets "in-kind," meaning they do not need to sell their holdings and incur tax events.
  • The system is overseen by the National Securities Clearing Corporation (NSCC).
  • Transfers typically take between three to six business days to complete.