Protective Puts and Collars: Defensive Moves for Option Sellers

A protective put is a long put bought against shares you own. It gives you the right to sell at the strike, so no matter how far the stock falls, your downside is capped below that level. Like any insurance, it costs a premium, and that premium is the drag you accept for the protection.

This is the mirror image of selling premium: here you are the buyer, paying for protection. The cost is pure extrinsic value, which decays, so a standing protective put is expensive to maintain, as theta decay works against you now.

A collar solves the cost problem by selling a covered call against the same shares and using that credit to pay for the protective put. You give up upside above the call strike in exchange for downside protection below the put strike, often arranged so the call premium roughly funds the put.

The short-call leg is just a covered call, so a collar is a covered call plus an insurance policy. The trade-off is symmetry: you cap the upside to protect the downside.

You were assigned 100 shares at $100 and worry about a near-term drop. With the stock at $100:

For $10 you turned an open-ended stock position into a defined band while you decide what to do. That is the collar's appeal after an unwanted assignment: covered in options assignment explained.

The band is visible in the middle rows: between $95 and $108 the collar simply tracks the stock, ten dollars poorer. Outside it, the structure does its work in both directions, and the bottom row is as real as the top one. A collar is not free protection with an unpleasant footnote; it is a deliberate exchange of one tail for the other, and both tails happen.

Notice something in the worked example: the put sits $5 below the stock, but the call had to be placed $8 above it to raise a comparable premium. That asymmetry is not a coincidence, and it is the detail most collar explanations omit.

The cause is volatility skew. In equities, implied volatility rises as strikes fall, so the put you are buying is priced on the expensive side of the curve while the call you are selling sits on the cheap side. To fund protection you therefore have to sell a call meaningfully closer to the money than the put: you give up more upside than the downside you protect.

The last point is the practical trap. Protection is cheap when nothing is wrong and dear when everything is, which means the instinct to collar a position after it has already fallen is the instinct to pay peak prices (IV rank and implied volatility, drawdown and recovery).

Assigned into a stock that kept falling, a seller has four honest choices. Ranking them requires being explicit about what each one costs.

The fifth row is included deliberately, because it is the option sellers refuse to consider and often the correct one. A collar on a company whose story has actually broken is an elaborate way of staying in a position you no longer believe in: the structure caps the loss but keeps the capital tied up, and capital is what you need for the next trade (trading psychology for option sellers). Defensive structures are for positions you want to keep, not for avoiding a decision.

Most of the time, premium sellers are the ones being paid. But there are moments when paying for, or financing, protection is the right call, usually after a cash-secured put assigns into a weakening name or ahead of a known risk you must hold through.

A collar is also an alternative to the defensive rolls in defensive adjustments when short puts go ITM: instead of managing the option, you take the shares and cap their risk. Concentration is often the trigger. See correlation and sector concentration.

Educational only, not personal financial advice. More in the blog · Request access.