Betterment
Capital Index
VS
Compare
Betterment
Capital at risk · T&Cs apply
Choosing between Betterment and Capital Index depends on your trading style, preferred markets, and budget. Betterment is headquartered in New York, USA, while Capital Index operates from London, UK. Betterment has the longer track record, established in 2008, compared to Capital Index which was founded in 2014. This in-depth comparison covers regulation, fees, platforms, markets, and overall ratings to help you decide which broker is the better fit in 2026.
Betterment
Capital Index
Betterment (3.2/5) and Capital Index (3.2/5) are closely matched. Betterment has lower spreads; the better pick depends on your priorities.
See full side-by-side comparison belowOverall Rating
Betterment
3.2 vs 3.2
Lowest Fees
Tied
0 vs 0 pips
Regulation
Tied
1 vs 1 licences
Min. Deposit
Betterment
$0 vs $100
Betterment
WinnerCapital Index
Betterment
Lower feesCapital Index
Betterment holds licences from SEC. Capital Index is regulated by FCA.
Both brokers offer access to Indices markets. Betterment additionally covers Stocks. Capital Index adds Forex, Cfd, Commodities, Crypto.
Betterment supports Proprietary Web, Proprietary Mobile. Capital Index offers MT4, MT5.
Betterment requires no minimum deposit, while Capital Index sets a minimum deposit of $100. This makes Betterment accessible to traders with any budget.
BrokerRank scores Betterment at 3.24/5 and Capital Index at 3.21/5, based on 50+ data points covering regulation, fees, platforms, markets, and user experience. Betterment leads overall with a marginal advantage.
Betterment (3.2/5) and Capital Index (3.2/5) are closely matched on our independent rating scale. The better choice depends on your priorities — fees, regulation, platforms, or available markets. See the full comparison above.
Betterment offers spreads from 0 pips, while Capital Index starts at 0 pips. Check the fees section above for a full breakdown.
Betterment requires a minimum deposit of $0. Capital Index requires $100.
Betterment is regulated by SEC, while Capital Index holds licences from FCA.
Betterment supports Proprietary Web, Proprietary Mobile. Capital Index supports MT4, MT5.
Yes, you can hold accounts at multiple brokers simultaneously. Many traders diversify across platforms to access different markets and tools.
Only 26% of Brokers Are Truly Fee-Free
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58% of Brokers Hold a Single Licence
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76% of Brokers Use Proprietary Platforms
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Trading involves risk. Past performance is not indicative of future results. Capital at risk. Full risk disclosure.