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Stocks & Shares ISA, decoded

Lesson 8 of 12 in our free Investing Basics guide: a 5-minute money game with the key points below.

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Questions you'll answer

Mo puts £1,000 in a Stocks & Shares ISA. A year later it's worth £900. What happened?

Quick facts

  • Myth: “A Stocks & Shares ISA protects you from losing money.” — It protects you from TAX, not from market falls.
  • Fact: “The ISA allowance is £20,000 per tax year, shared across your ISAs.” — Cash, stocks & shares, Lifetime and others all share it.
  • Fact: “Gains inside an ISA are free from Capital Gains Tax.” — That's one of the main benefits of the wrapper.
  • You can usually hold funds inside it → True. Funds are common ISA investments.
  • It's the same thing as a Cash ISA → Nah. Cash ISAs hold cash; Stocks & Shares ISAs hold investments that can go up and down.
  • Fees can still apply inside it → True. Platform and fund charges still apply — compare them.
  • You need to be 18 or over to open one → True. Adult ISAs are 18+. Junior ISAs exist for under-18s.

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