UK Brokers that Pay Interest Rate on Deposits

By Jayson Derrick
Jayson Derrick
Jayson Derrick is a seasoned financial journalist with nearly 15 years of experience covering markets, companies, and industry trends for outlets like Benzinga, Seeking Alpha, and The Motley Fool. Beginning his career on a professional trading floor, he later transitioned into journalism, leading editorial teams at Invezz, CoinJournal, and now crypto.news. Based in Montreal, Jayson combines his market expertise with a passion for Pittsburgh Penguins hockey and Texas-style BBQ.
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In recent years, the UK brokerage industry has witnessed a significant shift in the way brokers interact with their clients. One of the most notable developments is the introduction of interest payments on uninvested cash balances. This move has been driven by increasing competition among brokers, as well as the evolving needs and expectations of UK traders. By offering interest on deposits, brokers aim to provide their clients with a more comprehensive and rewarding trading experience.

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Nota bene: Interest on idle cash should never be confused with the guarantees that accompany traditional savings products. Broker-paid yields are discretionary, can be amended at short notice, and remain subject to both regulatory intervention and the provider’s own commercial decisions. Treat any interest as a welcome bonus rather than the cornerstone of a long-term wealth-building plan.

This publication focuses on UK brokers that pay interest on uninvested cash, along with the implications of this practice and the requirements investors must meet to benefit from it. We will examine the various aspects of interest payments, including the calculation methods, payment frequencies and the protection of client funds. Additionally, we will discuss the pros and cons of trading with brokers that offer interest on unused cash and provide guidance on how to select the best broker for your needs.

  1. Investors who join eToro are eligible to earn up to 4.30% interest per annum. Interest rates for non-EU clients are tiered, meaning they vary according to the available cash balance. Stock investors must hold between $10,000 and $250,000 (equivalent to ~£185,000 at the time of writing) in their live balance to qualify.
  2. XTB is among the few FCA-licensed brokers offering interest on uninvested cash. UK clients of the brokerage can earn up to 4.50% on uninvested pound sterling deposits, 1.25% on euros and 2% on US dollars. Interest is paid each month, with no minimum or maximum balance requirements.
  3. IG pays interest of up to 4.25% annually (AER) on uninvested funds held in Individual Savings Account (ISA), General Investment Account (GIA) and Self-Invested Personal Pension (SIPP) accounts denominated in pound sterling. Eligible clients must have an active Smart Portfolio, at least one open stock position and one or more buy or sell trades per month. Interest is paid only on cash balances of up to £100,000 across eligible accounts.
  4. Interactive Brokers, commonly referred to as IBKR, enables clients with sterling-denominated accounts to earn up to 3.47% on their available cash deposits. Customers with a net asset value (NAV) of £80,000 and cash deposits of £20,000 are eligible for an interest rate of 2.314%. Those with an NAV of £320,000 and cash deposits of £80,000 qualify for the higher rate of 3.47%. The rates are subject to change. Customers can use the built-in calculator for accurate and up-to-date estimates.
  5. Trading212 pays interest daily, offering an Annual Equivalent Rate (AER) of up to 4.35% on available cash balances in GBP-denominated accounts. Clients can withdraw their money or invest it at any time. There are no minimum or maximum requirements on eligible balances. Interest is available only on the unused cash held in investment accounts.
  6. Interactive Investor customers can receive interest on the balances available in their EUR-, USD- and GBP-denominated standard investment accounts (known as Trading Accounts). Additionally, they can hold investments in six other base currencies, all in one account. As the broker uses a tiered system, the AER ranges from 2.02% on the first £10,000 to 3.30% on balances exceeding £1 million.
  7. Tickmill clients can earn a maximum of 2.25% per annum on unused funds held in sterling-denominated wallets. Interest is calculated daily but paid monthly. To qualify, clients need a total balance of at least $100 (around £75) across their currency wallets and must have recent trading activity or open positions within the last 30 days. All account types except swap-free accounts are eligible.

Brokers Paying Interest Explained

Earning interest on uninvested cash balances is a practice whereby brokers pay their clients a percentage of their idle cash as interest. This interest is typically calculated on a daily or monthly basis and is credited to the client’s trading account. The rate offered can vary significantly, ranging from 0.1% to almost 5% per annum, depending on the broker, the type of account and prevailing market conditions.

For example, some brokers may offer higher rates for larger balances or for clients who maintain a certain level of trading activity. The interest payments can be a valuable source of additional income for traders, especially those who maintain large cash balances or adopt a long-term investment strategy.

Moreover, interest payments can also help brokers differentiate themselves from competitors and attract new clients. However, traders should keep in mind that not all brokers offer interest on uninvested cash, and the terms and conditions can vary significantly between brokers.

It should also be noted that while paying interest on unused deposit funds is not a common practice among UK brokers, it has been gaining momentum in recent years as brokerages strive to stay relevant and attract more clients.

Despite some UK-friendly brokers offering interest to clients who have not invested all their cash, the Financial Conduct Authority (FCA) has issued several warnings about companies that have adopted these practices. In 2023, the FCA increased its regulatory focus on how investment platforms and brokers handle interest earned on uninvested client cash. This fell under the broader Consumer Duty initiative, which aims to ensure ‘fair value’ and better outcomes for retail clients.

Broker Requirements UK Traders Must Meet to Enjoy Interest Payments

To enjoy interest payments on uninvested cash balances, UK traders must meet certain requirements set by the brokers. The conditions vary between providers but typically include:

  • A minimum account balance: Brokers often require clients to maintain a minimum balance to be eligible for interest payments. The threshold can range from £1,000 to £100,000 or more, depending on the broker.
  • Holding a specific type of account: Some brokers only offer interest on certain account types. It is not unusual for UK brokers to pay interest only to Premium or professional account holders.
  • Account currency: UK brokers may pay interest only if funds are held in a specific currency (typically GBP, USD or EUR). The rate can be higher when funds are held in GBP.
  • Meeting trading activity requirements: Some brokers require clients to achieve a certain level of trading activity to qualify for interest payments.
  • Providing necessary documentation: Brokers may mandate that clients provide documentation, such as proof of identity and residence, to comply with anti-money-laundering and know-your-customer (KYC) regulations.
  • Agreeing to the broker’s terms and conditions: Clients must accept the broker’s terms, including the interest payment provisions, to be eligible.
  • Paid subscription: To access higher rates, UK traders may be asked to pay for a special subscription.

It is crucial for UK traders to review the broker’s terms and conditions carefully before opening a trading account. Doing so will ensure they understand the eligibility criteria and can take full advantage of the interest payment offers.

How Do Brokers Calculate Interest?

Brokers calculate interest on deposit balances in various ways, and the specific method used can significantly impact the amount earned by the client. The most common approaches include:

  • Daily balance method: Interest is calculated on the client’s closing balance each day.
  • Monthly balance method: Interest is calculated using the account balance at the end of each month.
  • Average daily balance method: The broker calculates interest based on the average of the client’s daily balances over a defined period.
  • Tiered interest rate method: Different rates apply to different balance tiers. For example, a broker may pay a higher rate on balances above £10,000 and a lower rate below that threshold.

The calculation method can significantly affect the total interest earned, so it is essential for UK traders to understand how their broker works it out and to review the terms carefully.

How Often Do Traders Receive Interest on Cash Funds?

The frequency of interest payments on uninvested cash balances varies between brokers. Some pay interest daily, while others credit it monthly or quarterly.

Payment frequency depends on the broker’s policies, the type of account and market conditions. For instance, some brands offer daily interest for clients who maintain a high balance or trade actively. By contrast, other brokerages pay interest quarterly, which can result in a lower overall income.

UK traders should examine each broker’s terms to understand the payment schedule and plan their strategy accordingly. They should also consider the compounding effect of frequent payments, which can materially boost returns over time.

How UK Brokers Protect Their Clients’ Funds

UK brokers must safeguard their clients’ money in accordance with domestic regulation. The most common protections include:

  • Segregation of client funds: Brokers are required to hold customers’ money separately from their own capital, ensuring it is not used for the broker’s business purposes.
  • Deposit protection: Some brokers offer deposit-protection schemes that provide an additional layer of security.
  • Regulatory compliance: UK brokers that pay interest on uninvested cash must comply with FCA rules, which set strict standards for fund protection.
  • Auditing and reporting: Brokers undergo regular audits to prove they are meeting the FCA’s requirements and safeguarding client money.

The FCA has also been focusing on ensuring that firms provide fair value to clients regarding interest on cash balances, particularly in the context of investment platforms and Self-Invested Personal Pension (SIPP) operators. This means that, while brokers can pay interest on deposits, they must do so in a way that is transparent and fair. UK traders should therefore review each broker’s policies and procedures to ensure their money is safe.

Pros and Cons of Trading with Brokers Paying Interest on Uninvested Cash

Below, we highlight the main advantages and drawbacks of trading with brokers that pay interest on unused cash. Assessing both sides of the equation can help traders decide whether activating interest accounts is the right move for their investment goals.

The pros include:

  • Higher interest income: Brokers may offer higher rates than traditional savings accounts, resulting in greater overall income.
  • Flexible terms and conditions: Certain brokerages provide flexible arrangements, such as daily payments or tiered rates.
  • An attractive alternative to savings accounts: For those wishing to avoid a savings account, earning yields on uninvested money through a broker can be a viable option.

The cons include:

  • Market risks: Interest rates are linked to market conditions and can be amended or withdrawn at any time.
  • Regulatory risks: Changes in regulation can affect the terms offered by brokers.
  • Counterparty risks: The broker’s financial stability may affect the safety of client funds.

UK residents should carefully weigh these pros and cons before deciding whether to keep idle cash with a broker that pays interest.

How to Pick the Best Broker Paying Interest on Deposits

While a high interest rate might seem the most obvious factor when choosing a brokerage, we recommend that UK traders consider several other aspects:

  • Interest rate: The rate should be competitive and aligned with the client’s objectives.
  • Terms and conditions: A suitable broker will make the interest terms clear and transparent, detailing the calculation method, payment frequency and any fees.
  • Regulatory compliance: An FCA licence is essential, ensuring the broker adheres to UK rules.
  • Client fund protection: Look for robust safeguards, including segregation of funds and deposit-protection schemes.
  • Reputation and reviews: Consider feedback from existing clients.
  • Trading platform and tools: A user-friendly platform with quality tools and resources is a major plus.

By keeping these factors in mind, UK traders can identify a brokerage that pays interest and suits their trading and investment goals.

FAQ

Can UK traders earn interest on uninvested cash in a tax-free manner?

Interest earned on uninvested cash is generally subject to income tax in the UK. However, traders may earn tax-free interest if their funds are held within tax-advantaged accounts such as a Stocks and Shares ISA or Cash ISA. Outside these wrappers, interest is taxed under the Personal Savings Allowance (up to £1,000 per year for basic-rate taxpayers).

Do FCA-regulated brokers pay interest on uninvested cash?

Some FCA-regulated brokers do offer interest on uninvested cash balances, but this is not a regulatory requirement, and not all brokers provide it. Interest is usually tiered and depends on the amount held and the currency. Traders should review each broker’s terms, as rates can change in line with market conditions and may come with minimum balance requirements or account fees.

Can UK traders earn interest on uninvested cash held in multiple currencies?

Yes, certain brokers pay interest on uninvested balances held in currencies such as GBP, USD or EUR. However, this may expose traders to foreign exchange risk. Any interest earned in a foreign currency is subject to UK tax, converted to GBP at the appropriate exchange rate for reporting purposes.

How do UK brokers protect clients’ uninvested cash from cyber threats or misuse?

FCA-regulated brokers are required to segregate client funds from company assets and implement robust cyber-security protocols. These typically include encryption, firewalls, intrusion-detection systems and regular compliance audits. Additionally, client funds may be eligible for protection under the Financial Services Compensation Scheme (FSCS), up to £85,000 if the firm fails.

Can interest on uninvested cash be used as a source of regular income for UK traders?

While some brokers pay interest on idle cash, the rates are usually modest, and it should not be relied upon as a primary income stream. Traders seeking steady income should consider a diversified portfolio that may include dividend-paying assets or fixed-income products, depending on their objectives and risk tolerance.