Interactive Brokers vs Prosper
Side-by-side comparison from each platform's published fees.
Interactive BrokersStock ISA | ProsperStock ISA | |
|---|---|---|
| Estimated yearly costexample investor | £36.00 | |
| Fees | ||
| Platform fee | Whole portfolio | Whole portfolio |
| Dealing | Shares and ETFs Mutual funds US shares and ETFs | ETFs Mutual funds US shares and ETFs |
| FX | ||
| How trades are placed | Direct Market Access | Batch Dealing |
| What it can hold | ||
| UK investments | Supported | Supported |
| US shares | Supported | Not supported |
| Individual shares | Supported | Not supported |
| Exchange-traded funds (ETFs) | Supported | Supported |
| Mutual funds | Supported | Supported |
| Flexible ISA | Supported | Supported |
| Fractional trading | Not supported | Supported |
| About the providers | ||
| Official website | Visit Interactive Brokers website | Visit Prosper website |
| Founded | 2000 (26 years old) | 2019 (7 years old) |
Example investor: £80,000 portfolio, 12 trades a year, half in shares (half of them US) and half in UK ETFs. Estimate with your numbers
Important notice. The information shown on this page is sourced from provider websites and is for illustrative purposes only. It may be inaccurate, outdated, or not account for all scenarios, promotions, discounts, or variations in fees due to specific circumstances. Always check the provider's official website for the most up-to-date and accurate information. These figures are general estimates and should not be considered as financial advice. Data updated 8th October 2026.
More comparisons
Interactive Brokers Stock ISA
Need more detailed analysis?
Use our illustrative calculator to estimate platform fees based on how you invest. Not financial advice.