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Options & derivatives

Protective put

Buying a put on shares you own, as insurance against a fall.

How it works

It sets a floor under the position for the life of the option. The cost is the premium, which is a certain expense against an uncertain benefit.

It is one of the few genuinely defensive option strategies available to an ordinary investor.

Where it misleads people

Rolling protective puts continuously is expensive enough to consume a large share of long-run returns. It is best used for specific, time-limited risks rather than permanently.

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Educational reference only. Nothing here is investment advice or a recommendation to buy or sell anything, and tax treatment depends on your own circumstances and the country you are in.