XTB has just introduced a cash ISA account, and to celebrate the launch it’s offering a whopping 6% AER interest on balances in your cash ISA or stocks and shares ISA for up to 90 days. We explain everything you need to know about this limited time deal for new customers.
How much interest could I make?
After 3 months you would have about £8,117.39.
| Month | Amount |
|---|---|
| 1 | £8,038.94 |
| 2 | £8,078.07 |
| 3 | £8,117.39 |
Capital at risk.
The main “need to knows” about XTB’s 6% interest offer
- For new UK customers aged 18+.
- Open a free XTB ISA account.
- Earn up to 6% boosted interest for 90 days.
- Flexible withdrawals.
- XTB charges “inactivity fees” after a year of inactivity.
Let’s go through those one-by-one.
For new UK customers.
The boosted rate applies to new UK customers. Existing account holders will get the current rate of 4% AER which is still nothing to be scoffed at.
Open an XTB ISA.
You need to open your new cash ISA or stocks and shares ISA with XTB before 30 April 2026 and you can deposit up to £20,000 within each tax year.
Earn 6% boosted interest.
Following your account opening, you can get up to 6% interest on your XTB ISA balance for 90 days. The interest rate comprises a 4% AER variable underlying rate and then a 2% boost.
Flexible withdrawals.
Along with no platform fee to use XTB, it also offers a flexible ISA, which means there are no restrictions on withdrawals and you can withdraw and replace funds during the same tax year without impacting your allowance.
Inactivity fee.
Keep in mind, XTB may charge an inacitvity fee if you don’t access or use your account for a full calendar year.
GO TO XTB'S SITECapital at risk.
6% interest examples
| Uninvested cash at beginning of boosted rate | Value after 90 days (approx.) |
|---|---|
| £1,000 | £1,014.67 |
| £2,000 | £2,029.35 |
| £3,000 | £3,044.02 |
| £5,000 | £5,073.37 |
| £10,000 | £10,146.74 |
What you need to know about XTB
Founded in 2004, XTB is a European investing brokerage based in Poland and it’s one of the largest publicly listed brokers in the world. XTB is an extremely cheap investing platform, with no fee to open and hold a cash ISA or stocks and shares ISA account, and zero commission to pay on buying and selling stocks (up to a monthly turnover of €100,000 and after that there’s a 0.2% commission with a £10 min.).
This platform is ideal for users with some investing or trading experience who want a simple, practical app for buying and selling investments.
Bottom line
After making a splash in the UK investing scene, XTB is now wanting to make a good impression on savers too, and what better way to get people talking than introducing a chart-topping 6% AER variable interest rate on ISA balances. However, you’ll need to move fast to make the most of this limited time deal.
GO TO XTB'S SITECapital at risk.
More like this
If you don’t like this deal or if you miss out because you weren’t quick enough to take it up (don’t say we didn’t warn you), here are some alternative deals to check out:
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