Head-to-Head Comparison

Interactive Brokers vs IG

Interactive Brokers suits experienced traders and investors seeking low fees and global market access, while IG offers a broader, easier-to-navigate ecosystem with integrated investing.

Our Verdict

Interactive Brokers is best for experienced, multi-asset traders and investors prioritising low execution costs and global access. IG is best for retail traders and investors seeking a balanced ecosystem with simplicity and breadth. Choose based on how you trade and what you value most.

Quick Verdict

Choose Interactive Brokers if…

  • You are an experienced trader or investor who wants low fees and global market access
  • You need advanced execution tools including options, futures, and bonds
  • You want institutional-grade order types and API/algo execution support

Choose IG if…

  • You want a broader, easier-to-navigate UK broker
  • You want trading and investment options under one roof with ISA/SIPP
  • You are a beginner or casual trader looking for simpler onboarding

At a Glance

Interactive Brokers

Min. Deposit£0
Fee Modelcommission-based
Platforms2
Explore Interactive Brokers

IG

Min. Deposit£0
Fee Modelspread-only
Platforms3
Trade with IG

Detailed Comparison

BrokerFeesPlatformsMarketsRegulationMinimum Deposit
commission-basedWeb, Mobilestocks, options, futures, forex, indices, commoditiesFCA£0
spread-onlyWeb, Mobile, MT4forex, indices, commodities, stocksFCA£0

Regulation & Safety

Interactive Brokers

  • UK clients served through Interactive Brokers (U.K.) Ltd, regulated by the FCA
  • Client funds segregated with FSCS protection up to applicable limits

IG

  • FCA authorised UK broker with segregated funds
  • FSCS protection on eligible cash balances
  • Publicly listed broker with disclosure requirements

Verdict: Both are FCA regulated with comparable client safeguards in the UK.

Platforms & Execution Tools

Interactive Brokers

  • Trader Workstation (TWS) — comprehensive desktop platform
  • Client Portal — web-based trading & account management
  • IBKR Mobile — robust mobile app
  • API + algo execution support
  • Institutional-grade order types with advanced execution and connectivity
  • Steeper learning curve — not ideal for pure beginners

IG

  • Web and Desktop — intuitive but less professional-focused
  • Mobile App — user-friendly
  • ProRealTime — advanced charting (fee or trading activity requirement)
  • Easy onboarding with comprehensive tools and built-in research
  • Less advanced than TWS for pro execution

Verdict: Interactive Brokers leads for professional execution tools and breadth. IG leads for simplicity and ease of use.

Product Coverage

Interactive Brokers

  • UK Stocks (direct ownership), International Stocks, ETFs
  • Options, Futures, Bonds — broad derivatives access
  • FX/Forex via execution + CFDs
  • CFDs and spread betting equivalent

IG

  • UK Stocks (direct/ISA/SIPP), International Stocks, ETFs
  • No options or futures via mainstream retail platform
  • FX/Forex via CFDs & Spread Betting
  • CFDs and Spread Betting

Verdict: Interactive Brokers offers broader raw market access, especially for derivatives and futures. IG's product set is broader than many retail brokers but not as extensive as IBKR's.

Costs & Pricing

Interactive Brokers

  • Stocks/ETFs: very low commissions (tiered or fixed depending on region)
  • FX: tight spreads and low FX conversion costs
  • Options/Futures: highly competitive exchange-linked fees
  • No minimum deposit required
  • Fee structure is transparent but complex

IG

  • CFDs/Spread Betting: spread-based pricing
  • Shares/ETFs: commission-free online trades with custody/FX fees where relevant
  • ProRealTime charting may carry fees unless thresholds met
  • Financing on leveraged products
  • Costs vary by product; simpler but not always the lowest

Verdict: IBKR generally has lower execution costs on direct tradable products. IG is simpler for retail investors and leveraged products.

Usability & Learning Curve

Interactive Brokers

  • Professional focus with wide feature set
  • Higher learning curve
  • Excellent for multi-market professionals

IG

  • More intuitive for broader users
  • Lower learning curve
  • Educational resources built-in

Verdict: IG is easier for beginners and retail traders; IBKR suits serious traders.

Fees Beyond Spreads

  • Overnight financing on leveraged positions
  • Currency conversion fees
  • Possible inactivity or platform fees (varies)
  • Charges for margin usage

Interactive Brokers

  • One free withdrawal per month — additional may incur fees
  • Unique fee bundles depending on product

IG

  • ISA/SIPP custody fees may apply
  • Some advanced charting tools may carry fees

Risks & Considerations

  • Leverage risk: CFDs and derivatives can magnify losses
  • Spread widening in low-liquidity or news events
  • Execution costs vary by product and session
  • Interactive Brokers is not inherently safer than IG — regulatory protections are comparable

Trading Style Suitability

Trader TypeBetter Choice
BeginnerIG
Casual traderIG
Frequent stock traderInteractive Brokers
Options/futures traderInteractive Brokers
Day trading FXTied
Casual CFD tradingIG
Long-term investorIG (ISA/SIPP)

Strengths & Weaknesses

Interactive Brokers

Strengths

  • Very low trading fees and transparent pricing across global markets
  • Access to 90+ markets — stocks, ETFs, options, futures, forex, bonds
  • Advanced trading platforms with research, charting and order depth
  • ISA and junior ISA options for tax-efficient UK investing

Weaknesses

  • Steep learning curve — platform complexity can overwhelm beginners
  • Fee structure nuances (withdrawals, FX conversions, tiers) can confuse new users
  • Execution tools and research may be overkill for casual traders

IG

Strengths

  • Broad market access — forex, indices, CFDs, shares, ETFs
  • FCA regulation with segregated client funds and potential FSCS protection
  • ISA, GIA and SIPP support for long-term investing alongside derivatives
  • Advanced platforms with charting, research tools and demo account

Weaknesses

  • Customer service wait times and mixed support experiences reported
  • Costs for some products are not the lowest on the market
  • Platform complexity can feel overwhelming for absolute beginners

Frequently Asked Questions

Which broker is cheaper overall?

For direct trading (stocks, ETFs, options, futures), Interactive Brokers often has lower fees. For casual leveraged CFD trading, IG's spread model may feel simpler and competitive.

Is IG easier to use than IBKR?

Yes — IG's platform suite targets broader retail users. IBKR's tools are deeper but more complex.

Which is better for beginners?

IG typically has a gentler learning curve.

Can I trade options/futures with IG?

Not directly via IG's mainstream retail platform; IBKR offers broader derivatives execution.

Are both FCA regulated?

Yes — both have FCA authorisation for UK clients.

Ready to Choose?

Visit either broker to open an account and start trading.

Methodology & Disclosure

This comparison is based on FCA regulatory status, fee schedules and public pricing sheets, platform capabilities, product scopes, and common user experience feedback patterns. This is not financial advice. Affiliate partnerships do not influence the logic.

Affiliate Disclosure: We may receive compensation when you click on links to brokers and products featured on this site. This compensation does not influence our rankings, reviews, or recommendations. We maintain editorial independence and provide objective comparisons. Read our full disclosure policy.

Risk Warning: This website does not provide financial, investment, or trading advice. All information is for educational purposes only. Trading and investing involve substantial risk of loss. You should carefully consider your financial situation and consult with qualified professionals before making any financial decisions.

Last updated: 2026-01-15