PostFinance vs Interactive Brokers 2026: Which Broker is Better?
Compare PostFinance and Interactive Brokers side by side on fees, regulation, platforms and our expert ratings. Find out which broker suits your needs.
PostFinance
Interactive Brokers
| PostFinance | Interactive Brokers | |
|---|---|---|
| BrokerRank Score | 3.2/5 | 4.4/5 ✓ |
| Min. Deposit | $0 | $0 |
| Spread from | 0 pips ✓ | 0.2 pips |
| Max Leverage | 1:1 | 1:4 ✓ |
| Regulation | FINMA | SEC, CFTC, FCA ✓ |
| Platforms | Proprietary Web, Proprietary Mobile, E-Trading | Proprietary Web, Proprietary Mobile |
Interactive Brokers is the better choice overall, scoring 4.4/5 vs 3.2/5 on BrokerRank's independent rating. On fees, PostFinance offers lower spreads (0 pips).
See full side-by-side comparison belowPostFinance vs Interactive Brokers: Key Differences
PostFinance
Interactive Brokers
WinnerStill deciding between PostFinance and Interactive Brokers?
Skip the back-and-forth — answer 4 quick questions and we'll match you to your best fit.
Fees Comparison
PostFinance
Interactive Brokers
BrokerRank Verdict
PostFinance scores 3.21/5 while Interactive Brokers scores 4.43/5 in our independent rating.
Interactive Brokers edges ahead overall, but PostFinance may suit traders who prioritise different features. Read our full reviews for a detailed breakdown. Scores are based on our transparent methodology.
Who Should Choose Which?
PostFinance
3.2/5
Choose PostFinance if you want…
- Tighter spreads (from 0 pips)
- More established (est. 1906)
- More platforms (3 supported)
Interactive Brokers
4.4/5
Choose Interactive Brokers if you want…
- Higher overall rating (4.4/5)
- Higher leverage (up to 1:4)
- More regulatory licences (5)
- More market types (5)
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.
Frequently Asked Questions
1Is PostFinance better than Interactive Brokers?
Interactive Brokers scores higher overall on our independent rating system. PostFinance holds a 3.2/5 rating vs Interactive Brokers's 4.4/5. The best choice ultimately depends on your trading style — see our full verdict above for a detailed breakdown.
2Which has lower fees, PostFinance or Interactive Brokers?
PostFinance offers spreads from 0 pips, while Interactive Brokers starts at 0.2 pips. Check the fees section above for a full breakdown.
3What is the minimum deposit for PostFinance vs Interactive Brokers?
PostFinance requires a minimum deposit of $0. Interactive Brokers requires $0.
4Which broker is safer, PostFinance or Interactive Brokers?
PostFinance is regulated by FINMA, while Interactive Brokers holds licences from SEC, CFTC, FCA, MAS, ASIC.
5What trading platforms do PostFinance and Interactive Brokers support?
PostFinance supports Proprietary Web, Proprietary Mobile, E-Trading. Interactive Brokers supports Proprietary Web, Proprietary Mobile.
6Can I use both PostFinance and Interactive Brokers?
Yes, you can hold accounts at multiple brokers simultaneously. Many traders diversify across platforms to access different markets and tools.
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