Detailed comparison of all fees, features, and suitability — updated for 2026.
Comdirect is the better choice for Full-Service Bank Customers, while Interactive Brokers wins for Professionals. Which one suits you depends on your strategy — the detailed comparison below shows every difference.
All fees, products, and platform features compared side-by-side. The "Winner" column shows which broker leads in each category.
| Feature | Comdirect | Interactive Brokers | Winner |
|---|---|---|---|
| Fees & Costs | |||
| Order Fee | 4.90€ + 0.25% (min 9.90€) | $0.005/Aktie (min $1) or Fixed $1 | Interactive Brokers |
| ETF Savings Plan Fee | 1.5% | - | Tie |
| Account Fee | 0€ (with activity) / 1.95€/Month otherwise | 0€/Year | Tie |
| Minimum Deposit | 0€ | 0€ | Tie |
| Interest on Cash | 0% | bis 4.33% (USD) | Interactive Brokers |
| Product Range | |||
| Azioni | Tie | ||
| ETFs | Tie | ||
| Crypto | Interactive Brokers | ||
| Options | Tie | ||
| CFDs | Tie | ||
| Fractional Shares | Interactive Brokers | ||
| Number of Exchanges | Alle deutschen + internationale Börsen | 150+ Börsen in 33 Ländern | Tie |
| Platform & Tools | |||
| Mobile App | Tie | ||
| Desktop Platform | Tie | ||
| Demo Account | Tie | ||
| Security & Regulation | |||
| Regulated by | BaFin | SEC / FCA / BaFin | Tie |
| Deposit Protection | 100.000€ | $500.000 (SIPC) | Tie |
| Founded | 1994 | 1978 | Tie |
| Overall Rating | |||
| Rating | ★★★★★ | ★★★★★ | Interactive Brokers |
Depending on your strategy and experience, one broker fits better. Here's how to decide:
Low barriers, simple app, demo account and no hidden costs — perfect to get started.
More about Interactive Brokers →Low per-order fees, many trading venues and derivatives access — important if you trade regularly.
More about Interactive Brokers →Free savings plans, interest on cash and no custody fee — what matters when you buy & hold.
More about Interactive Brokers →Comdirect is a full-service bank with comprehensive securities offerings. For investors who want everything from one provider.
Particularly suitable for: Full-Service Bank Customers, Derivatives Trading, Experienced Investors.
Interactive Brokers is the professional's choice with access to 150+ exchanges, all product classes, and the lowest fees for active traders.
Particularly suitable for: Professionals, Active Traders, International Investors, Options Trading.
Answers to the most common questions about Comdirect vs Interactive Brokers.
For order fees, Interactive Brokers leads at $0.005/Aktie (min $1) oder Fixed $1, while Comdirect charges 4.90€ + 0.25% (min 9.90€). Note: with CFD brokers, spreads add hidden cost — the lower nominal price isn't always cheaper overall.
Comdirect is regulated by BaFin, Interactive Brokers by SEC / FCA / BaFin. Both fall under EU oversight. Deposit protection: Comdirect 100.000€, Interactive Brokers $500.000 (SIPC).
For German/Austrian customers, language, BaFin regulation and tax-simple status often matter most. Check the 'Regulated by' and 'Languages' rows — DACH-focused brokers usually have the edge.
Neither Comdirect nor Interactive Brokers offers free ETF savings plans. If recurring investing matters, check a savings-plan-focused broker.
Both are covered under their home regulator's deposit protection. Comdirect: 100.000€, Interactive Brokers: $500.000 (SIPC). Securities are held in segregated accounts and protected in case of broker insolvency.
Interactive Brokers leads on cash interest at 4.33%. Watch the conditions — some brokers require a paid plan or cap the amount.
Both offer native mobile apps with good app-store ratings. Which is better depends on your needs — try both with a demo account if available.
A second broker makes sense when one offers features the other lacks (e.g. options, crypto, more exchanges). A full switch is only worth it if the cost difference or missing features are significant.
Sign up with the broker that fits your strategy. Both are regulated and offer a demo account to test risk-free.
