Collar
Long stock, short OTM call (cap upside, collect premium), long OTM put (limit downside). Often "no-cost collar" when call premium ≈ put premium.
How a collar works
A collar is 100 shares you own, a protective put below, and a short call above. The call premium pays for the put. Done at the right strikes the protection can cost nothing at all — which is why collars are the standard way institutions hold a concentrated position through a period they cannot risk.
The structure gives you a floor and a ceiling. Below the put strike you stop losing; above the call strike you stop gaining. Between them you simply hold the stock. You have converted an open-ended position into a defined range for a term you choose.
What you are really doing is selling the upside you probably will not need to buy the downside you cannot afford. That is a good trade when the position is large relative to the account, and a poor one when the stock is the reason you are invested at all.
Worked example: collar
You own 100 shares of XYZ bought at $100, trading at $100 today. You buy the $95 put for $2.00 per share and sell the $105 call for $2.00 per share, both expiring in 60 days.
A $1,000 range around your basis, for no cash outlay. The $130 row is the real cost — you gave up $2,500 of upside to protect $2,500 of downside, and you had to decide which mattered more before knowing which arrived.
When a collar fits — and when it doesn't
- You hold a large or concentrated position you do not want to sell, often for tax reasons.
- You need protection through a defined window and do not want to pay for it outright.
- You have a price at which you would happily sell — that price becomes the call strike.
- The stock is your highest-conviction holding. Capping it caps the reason you own it.
- A takeover or breakout is plausible inside the expiry — collars are painful in exactly that scenario.
- The strikes are so tight that you have effectively sold the position without the tax treatment of having sold it.
Common questions about a collar
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