Economics of Covered and Protective Positions

With single option, spread, and straddle calculations under your belt, you can now tackle positions that combine stock ownership with options. These are among the most practical strategies because they reflect how real investors hedge their portfolios.

How Do You Calculate a Covered Call's Max Gain, Max Loss, and Breakeven?

Own stock + write a call. This is an income strategy: you collect the premium but cap your upside.

• Maximum gain = (Strike price - stock purchase price) + premium received
• Maximum loss = Stock purchase price - premium received (stock falls to zero)
• Breakeven = Stock purchase price - premium received

Example: Buy stock at $45, write 1 ABC 50 call at $3

• Breakeven = $45 - $3 = $42
• Max gain = ($50 - $45) + $3 = $8 per share ($800)
• Max loss = $45 - $3 = $42 per share ($4,200)

The premium lowers your effective cost, providing limited downside cushion. But if the stock rises above $50, you must deliver shares at the strike and miss any gains above that level.

Exam Tip: Gotchas

• A covered call caps your upside. Max gain is NOT unlimited. If the stock soars past the strike price, you still deliver at the strike and keep only the premium.

How Do You Calculate a Protective Put's Max Gain, Max Loss, and Breakeven?

Own stock + buy a put. This is an insurance strategy: you pay a premium to limit your downside.

• Maximum gain = Unlimited (stock can rise; put expires worthless)
• Maximum loss = (Stock purchase price - put strike price) + premium paid
• Breakeven = Stock purchase price + premium paid

Example: Buy stock at $50, buy 1 ABC 45 put at $2

• Breakeven = $50 + $2 = $52
• Max gain = unlimited (stock rises, put expires)
• Max loss = ($50 - $45) + $2 = $7 per share ($700)

The put premium raises your effective cost. You need the stock to rise above $52 just to break even, but your downside is capped at $7 per share no matter how far the stock falls.

How Do You Calculate a Covered Put's Max Gain, Max Loss, and Breakeven?

Short stock + write a put. This is the bearish mirror of a covered call.

• Maximum gain = (Short sale price - strike price) + premium received
• Maximum loss = Unlimited (stock can rise without limit)
• Breakeven = Short sale price + premium received

Example: Short stock at $50, write 1 ABC 45 put at $3

• Breakeven = $50 + $3 = $53
• Max gain = ($50 - $45) + $3 = $8 per share ($800)
• Max loss = unlimited (stock rises)

How Do the Three Positions Compare Side by Side?

What Is the Pattern in How Premiums Affect Breakeven?

Notice the pattern in how premiums affect breakeven:

• Receive premium (covered call, covered put) → breakeven moves in your favor (lower cost for long stock, higher price for short stock)
• Pay premium (protective put) → breakeven moves against you (higher effective cost)

Exam Tip: Gotchas

• Covered call breakeven = stock cost MINUS premium received. The premium lowers your effective cost.
• Protective put breakeven = stock cost PLUS premium paid. The insurance cost raises your effective cost.
• Receiving premium helps your breakeven; paying premium hurts it.
• "Protective put" and "married put" are not the same thing. A protective put bought on any day still limits downside the same way economically. Only a put bought the same day the stock is identified for delivery is a "married put" for tax purposes (a distinct holding-period exception covered in a later section of this unit).

What Should You Check on Exam Day?

• Can you compute max gain, max loss, and breakeven for a covered call, protective put, and covered put from a word problem?
• Do you remember that a covered call's breakeven falls below stock cost while a protective put's breakeven rises above it?
• Can you correctly answer that a protective put, not a covered call, is the "best protection" or "full hedge" for a long stock position?