OANDA vs Interactive Brokers: best for US forex traders

OANDA vs Interactive Brokers: the short answer

For US forex traders who care most about cost, Interactive Brokers is the stronger choice: interbank quotes plus 0.20 basis points per side works out to about $4–5 round turn per 100,000 units, against a 1.4-pip average spread on OANDA's US standard account. OANDA is the better fit if you want a simpler platform, TradingView integration or MetaTrader, and are willing to pay more per trade for that. Both accept US residents, both are NFA-regulated, and both cap major-pair leverage at 50:1.

Quick verdict

Interactive Brokers scores 90/100 (rank #3) and OANDA scores 86/100 (rank #5) under our methodology. Interactive Brokers leads on regulation (35/35 against 34/35) and especially costs (24/25 against 17/25). OANDA leads on platforms (13/15 against 8/15). Both score 10/10 for access. Figures were verified November 2026.

Costs for US traders

OANDA offers US clients two ways to pay. The standard account is spread-only, with an average EUR/USD spread of 1.4 pips. Core pricing charges $14 round-turn commission per lot on top of tighter spreads, but it needs a $10,000 balance. We don't hold a verified average spread for OANDA's core pricing, so we can't give its full all-in cost.

Interactive Brokers aggregates quotes from multiple banks and charges 0.20 basis points per side at its base tier, about $2 per side on a standard lot. We don't hold a verified average for the interbank spread itself, so the commission is the part we can state precisely.

Worked example: one standard lot of EUR/USD

A standard lot is 100,000 units, and one pip is worth $10 (100,000 × 0.0001).

• OANDA US standard: 1.4 pips × $10 = $14 per round turn on average, with no commission.
• OANDA core pricing: $14 round-turn commission, plus the core spread (not verified).
• Interactive Brokers: 0.20 basis points is 0.002%, so 100,000 × 0.00002 = $2 per side, or $4 round-turn commission, plus the interbank spread. Our records put the all-in figure at about $4–5 per round turn.

At 20 lots a month, OANDA's standard account costs about $280 on average (20 × $14), while Interactive Brokers' commission comes to about $80 (20 × $4) plus spread. Our OANDA review notes that its US commission account costs about double raw-account peers.

Margin at 50:1

Both brokers cap US major-pair leverage at 50:1, so a 100,000-unit EUR/USD position needs margin of 2% of its value: 100,000 ÷ 50 = 2,000 euros, which in dollars is 2,000 multiplied by the current EUR/USD rate. Try your own sizes with our margin calculator, and read leverage and margin explained if the numbers are new to you.

Regulation and safety

OANDA is regulated by the CFTC and NFA (0325821) in the US, plus the FCA (542574), ASIC (AFSL 412981), MAS, CIRO, FSA Japan and KNF. It was founded in 1996, and in December 2025 it was acquired by the FTMO group, which now owns it.

Interactive Brokers is regulated in the US by the SEC, CFTC, NFA and FINRA (NFA 0258600), and also by the FCA (208159), the Central Bank of Ireland, ASIC (AFSL 453554), CIRO, MAS, SFC and SEBI. It is publicly listed and traces its origins to 1977/78 in Greenwich, Connecticut. One mark against it: the NFA fined Interactive Brokers $250,000 in 2023 for retail FX supervisory failures.

Platforms

This is OANDA's main advantage. It offers its own web and mobile platforms, TradingView and MetaTrader, though MetaTrader availability varies by region, so confirm it is offered on US accounts before you sign up.

Interactive Brokers offers Trader Workstation, IBKR Desktop, IBKR Mobile and Client Portal. Trader Workstation is powerful but has a steep learning curve, and there is no MT4 or MT5 support. That's why it scores only 8/15 for platforms. Our trading platforms comparison covers the trade-offs.

Minimum deposit

Interactive Brokers has a $0 minimum. OANDA has no minimum on its standard account, but US core pricing needs $10,000.

Who should choose each

Choose Interactive Brokers if

• You trade often or in size and want the lowest verified commission available to US residents.
• You are comfortable learning a professional-grade platform.
• You want a $0 minimum and a publicly listed broker regulated in many top-tier jurisdictions.

Choose OANDA if

• You are newer to forex and want a simpler platform. Our forex trading for beginners guide is a good place to start.
• You chart on TradingView or need MetaTrader.
• You trade small, so the higher per-trade cost adds up to less.

Concerns to weigh

• OANDA: its US commission account costs about double raw-account peers, core pricing needs a $10,000 balance, and it changed ownership in December 2025.
• Interactive Brokers: no MT4 or MT5, a steep learning curve, and a $250,000 NFA fine in 2023 for retail FX supervisory failures.

Read the full OANDA review and Interactive Brokers review, or see all rated brokers on our brokers page.

Sources

Figures verified November 2026 from WizardTrader's broker records, which cite these provider pages:

• OANDA: regulatory disclosures
• OANDA: pricing
• OANDA: spreads and commission
• Finance Magnates: FTMO closes OANDA deal
• IBKR: spot currency commissions
• IBKR: margin requirements
• IBKR: history
• Finance Magnates: NFA fine

Trading involves substantial risk of loss and is not suitable for every investor. CFDs and leveraged forex can lose money rapidly, and you can lose more than you expect if you use high leverage. This page is general information, not financial advice, and nothing here promises a profit. Rankings are editorial and not paid. Read our risk disclaimer and advertiser disclosure.