Prosper Stock ISA
Platform with a narrower range of investments than most.
Published fee schedule
As used by the calculator. Data last updated 8th October 2026, from the official pages listed below.
Where these figures come from
How the cost changes with portfolio size
Estimated yearly cost for 12 trades a year of about £2,000, all UK ETFs. With this platform the estimate stays the same as the portfolio grows.
| Portfolio | Platform fee | Dealing | FX | Total a year | Of portfolio |
|---|---|---|---|---|---|
| £10,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £25,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £50,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £100,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £250,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £500,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
If you hold funds
Estimated yearly cost for 12 trades a year of about £2,000, all funds. Fund fees can work differently from shares and ETFs. With this platform the estimate stays the same as the portfolio grows.
| Portfolio | Platform fee | Dealing | FX | Total a year | Of portfolio |
|---|---|---|---|---|---|
| £10,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £25,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £50,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £100,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £250,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
| £500,000 | £0.00 | £0.00 | £0.00 | £0.00 | 0.00% |
Estimates only, from published fees. Use the calculator for your own numbers.
Questions about Prosper
How much does Prosper Stock ISA charge?
There is no platform fee. ETF dealing: £0 per trade. Fund dealing: £0 per trade. These are taken from Prosper's published charges and may change, so check with Prosper before you decide.
Does Prosper Stock ISA charge FX fees?
No. Prosper Stock ISA only holds investments priced in pounds, so there's no currency to convert.
Can I buy US shares with Prosper Stock ISA?
No. Prosper Stock ISA only supports UK (GBP) investments.
Can I hold funds in Prosper Stock ISA?
Yes, Prosper Stock ISA supports mutual funds.
Is Prosper Stock ISA a flexible ISA?
Yes. You can withdraw money and pay it back in within the same tax year without it counting towards your allowance again.
Does Prosper Stock ISA offer fractional shares?
Yes. You can buy part of a share or ETF.
How are trades placed on Prosper Stock ISA?
Batch Dealing.
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