Work out capital loss set off instantly with clear inputs, formula shown and shareable results.
Short-term losses can generally be set against both short and long-term gains, while long-term losses may only be used against long-term gains. Anything unused is carried forward, so the order of set-off matters for the tax paid now.
Set-off order
Net each category, apply short-term losses widely, restrict long-term losses to long-term gains, carry the rest forward
Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.
Because they arise from income taxed at a lower rate, so allowing them against high-rate income would be asymmetric.
Commonly eight years, but only if the return is filed by the due date.