Interactive Brokers vs SoFi Invest 2026: Which Broker is Better?
Choosing between Interactive Brokers and SoFi Invest depends on your trading style, preferred markets, and budget. Interactive Brokers is headquartered in Greenwich, USA, while SoFi Invest operates from San Francisco, USA. Interactive Brokers has the longer track record, established in 1978, compared to SoFi Invest which was founded in 2012. This in-depth comparison covers regulation, fees, platforms, markets, and overall ratings to help you decide which broker is the better fit in 2026.
Interactive Brokers
SoFi Invest
| Interactive Brokers | SoFi Invest | |
|---|---|---|
| BrokerRank Score | 4.4/5 ✓ | 3.3/5 |
| Min. Deposit | $0 ✓ | $1 |
| Spread from | 0.2 pips | 0 pips ✓ |
| Max Leverage | 1:4 ✓ | 1:1 |
| Regulation | SEC, CFTC, FCA ✓ | SEC |
| Platforms | Proprietary Web, Proprietary Mobile | Proprietary Web, Proprietary Mobile |
Interactive Brokers is the better choice overall, scoring 4.4/5 vs 3.3/5 on BrokerRank's independent rating. On fees, SoFi Invest offers lower spreads (0 pips).
See full side-by-side comparison belowInteractive Brokers vs SoFi Invest: Key Differences
Interactive Brokers
WinnerSoFi Invest
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Fees Comparison
Interactive Brokers
SoFi Invest
Lower feesRegulation & Trust
Interactive Brokers holds licences from SEC, CFTC, FCA. SoFi Invest is regulated by SEC.
Markets & Assets
Both brokers offer access to Stocks, Indices markets. Interactive Brokers additionally covers Forex, Cfd, Commodities. SoFi Invest adds Crypto.
Fees & Spreads
On spreads, SoFi Invest is more competitive with EUR/USD spreads from 0.0 pips, compared to 0.2 pips at Interactive Brokers.
Trading Platforms
Interactive Brokers supports Proprietary Web, Proprietary Mobile. SoFi Invest offers Proprietary Web, Proprietary Mobile. Both brokers are available on Proprietary Web, Proprietary Mobile.
Minimum Deposit
Interactive Brokers requires no minimum deposit, while SoFi Invest sets a minimum deposit of $1. This makes Interactive Brokers accessible to traders with any budget.
Overall Ratings
BrokerRank scores Interactive Brokers at 4.43/5 and SoFi Invest at 3.33/5, based on 50+ data points covering regulation, fees, platforms, markets, and user experience. Interactive Brokers leads overall with a clear advantage.
BrokerRank Verdict
Who Should Choose Which?
Interactive Brokers
4.4/5
Choose Interactive Brokers if you want…
- Higher overall rating (4.4/5)
- No minimum deposit
- Higher leverage (up to 1:4)
- More regulatory licences (5)
SoFi Invest
3.3/5
Choose SoFi Invest if you want…
- Tighter spreads (from 0 pips)
- No per-trade commission
Also consider
We earn a commission when you open an account through these links, at no extra cost to you. Our ratings are scored independently — see the full independent ranking.
Both Interactive Brokers & SoFi Invest are available in
Frequently Asked Questions
1Is Interactive Brokers better than SoFi Invest?
Interactive Brokers scores higher overall on our independent rating system. Interactive Brokers holds a 4.4/5 rating vs SoFi Invest's 3.3/5. The best choice ultimately depends on your trading style — see our full verdict above for a detailed breakdown.
2Which has lower fees, Interactive Brokers or SoFi Invest?
Interactive Brokers offers spreads from 0.2 pips, while SoFi Invest starts at 0 pips. Check the fees section above for a full breakdown.
3What is the minimum deposit for Interactive Brokers vs SoFi Invest?
Interactive Brokers requires a minimum deposit of $0. SoFi Invest requires $1.
4Which broker is safer, Interactive Brokers or SoFi Invest?
Interactive Brokers is regulated by SEC, CFTC, FCA, MAS, ASIC, while SoFi Invest holds licences from SEC.
5What trading platforms do Interactive Brokers and SoFi Invest support?
Interactive Brokers supports Proprietary Web, Proprietary Mobile. SoFi Invest supports Proprietary Web, Proprietary Mobile.
6Can I use both Interactive Brokers and SoFi Invest?
Yes, you can hold accounts at multiple brokers simultaneously. Many traders diversify across platforms to access different markets and tools.
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Trading involves risk. Past performance is not indicative of future results. Capital at risk. Full risk disclosure.
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