Strategy
Rebalancing brings the current allocation back towards an agreed target. Contributions, withdrawals or trades can help; choosing a new target allocation is a strategy change.
Your investment mandate records target weights, tolerance bands and review dates. Rebalancing implements those existing rules instead of revising the strategy after each price move.
Illustrative example: an equity target of 60% with a review band of 55 to 65% calls for a review at a current weight of 66%. That is a deviation of 6 percentage points, not a relative deviation of 6%. A review trigger is not an automatic sell order.
New contributions can strengthen underweight holdings without selling existing positions. Purchases can still incur costs; sales can also trigger taxes.
Related terms
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Rebalancing is not a return lever but a way to steer risk: a fixed rule that sells what has risen and buys what has fallen, and takes the decision out of the moment.
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