When to sell a stock: the complete UK guide
Published on: 13/11/2026
When to sell a stock in the UK: the four reasons that hold up, selling at a loss, taking profits, position size and how ISA and GIA tax change the sums.

When to sell a stock in the UK: the four reasons that hold up, selling at a loss, taking profits, position size and how ISA and GIA tax change the sums.

Should you take profits on a winning stock or let it run? What the research on selling winners shows, five profit-taking methods and the UK tax angle.

When to sell a stock at a loss: the research on holding losers, the maths of getting back to even, averaging down and UK loss rules for ISAs and GIAs.

When to sell a stock, based on the research on how investors sell. A four-question decision tree, a sell-rule template and the UK tax maths, ISA vs GIA.