Covered Call Break Even Calculator

Instantly calculate the breakeven price for your covered call position and see how premium collection reduces your effective cost basis.

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Written by Sarah Chen, CFP
Certified Financial Planner
JW
Fact-checked by Dr. James Wilson, PhD
Options Strategy Researcher
Covered CallsFact-Checked

Input Values

$

Price you paid per share for the stock.

$

Premium collected per share from selling the call option.

$

Strike price of the call option sold.

Each contract represents 100 shares.

$

Total round-trip brokerage commissions for the option trade.

Results

Breakeven Price
$0.00
Downside Protection
0.00%
Effective Cost Basis
$0.00
Cost Basis Reduction$0.00
Maximum Profit$0.00
Results update automatically as you change input values.

What Is the Breakeven Price on a Covered Call?

The breakeven price on a covered call is the stock price at which your total position -- combining the stock and the short call option -- results in zero profit or loss at expiration. When you sell a covered call, the premium you receive effectively lowers your cost basis on the stock, which means the stock can drop by the amount of the premium before you start losing money. This is one of the key advantages of the covered call strategy: the premium creates a downside cushion.

Understanding your breakeven price is critical for risk management. It tells you exactly how far the stock can fall before your position turns negative, helping you decide whether a particular covered call trade offers adequate protection for the risk involved.

Breakeven Formula for Covered Calls

Covered Call Breakeven Price
Breakeven Price = Purchase Price - Premium Received
Where:
Purchase Price = The price you paid per share for the stock
Premium Received = The option premium collected per share
Downside Protection Percentage
Downside Protection = (Premium Received / Stock Price) × 100%
Where:
Premium Received = Option premium per share
Stock Price = Current market price of the stock
Effective Cost Basis (After Multiple Calls)
Effective Cost Basis = Purchase Price - Total Premiums Collected
Where:
Purchase Price = Original price paid per share
Total Premiums Collected = Sum of all premiums received from selling calls on this position
Breakeven Calculation Example
Given
Purchase Price
$75.00
Premium Received
$2.50 per share
Strike Price
$80.00
Contracts
2 (200 shares)
Calculation Steps
  1. 1Breakeven Price = $75.00 - $2.50 = $72.50
  2. 2Downside Protection = $2.50 / $75.00 = 3.33%
  3. 3The stock can drop 3.33% before you have a net loss
  4. 4Total premium income = $2.50 × 200 shares = $500
  5. 5Maximum profit = ($80 - $75 + $2.50) × 200 = $1,500
  6. 6Effective cost basis = $75.00 - $2.50 = $72.50 per share
Result
Your breakeven price is $72.50, giving you 3.33% downside protection. The stock can fall from $75 to $72.50 before you lose money. If you write covered calls repeatedly, each premium further lowers your cost basis.

How Premium Lowers Your Cost Basis Over Time

Cost Basis Reduction Over 6 Months of Monthly Covered Calls ($75 Stock)
MonthPremium CollectedCumulative PremiumsEffective Cost BasisBreakeven Price
Month 1$2.50$2.50$72.50$72.50
Month 2$2.30$4.80$70.20$70.20
Month 3$2.00$6.80$68.20$68.20
Month 4$2.70$9.50$65.50$65.50
Month 5$2.10$11.60$63.40$63.40
Month 6$2.40$14.00$61.00$61.00
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The Power of Compounding Premium

After 6 months of consistent covered call writing on a $75 stock, your effective cost basis drops to $61.00. That means the stock would need to fall 18.67% from your purchase price before you experience a net loss. This is why systematic covered call writing is often described as a risk-reduction strategy.

Breakeven vs. Strike Price Selection

The relationship between your breakeven price and the strike price you choose is important. A lower (ITM) strike produces a higher premium and therefore a lower breakeven price, but it also increases the likelihood of having your shares called away. A higher (OTM) strike gives you less premium and a higher breakeven, but more room for the stock to appreciate. The right balance depends on your priorities: maximum downside protection vs. maximum upside potential.

Breakeven Comparison Across Strike Prices ($75 Stock)
StrikePremiumBreakevenProtection %Max Profit
$70 (ITM)$7.00$68.009.33%$200/contract
$75 (ATM)$3.50$71.504.67%$350/contract
$80 (OTM)$1.50$73.502.00%$650/contract
$85 (Deep OTM)$0.60$74.400.80%$1,060/contract

Adjusting Breakeven with Multiple Strategies

  • Rolling calls: When a call expires worthless, sell another call to collect more premium and lower your breakeven further
  • Dividend capture: Dividends received while holding the stock also lower your effective cost basis
  • Averaging down: If the stock drops, buying more shares at lower prices reduces your average cost per share
  • Rolling down: If the stock drops significantly, you can buy back the original call and sell a lower strike call to capture additional premium

How to Use Breakeven Analysis for Better Trades

1
Calculate Breakeven Before Entering a Trade
Always know your breakeven price before selling a covered call. If the breakeven is above a key support level, the trade offers poor risk/reward.
2
Compare Breakeven to Technical Support
Ideally, your breakeven price should be at or below a strong technical support level (50-day moving average, prior swing low). This adds a technical safety margin to the premium cushion.
3
Track Cumulative Cost Basis Reduction
Maintain a spreadsheet tracking every premium collected on each stock position. Your effective cost basis should steadily decline over time.
4
Set Stop-Loss Orders Relative to Breakeven
Consider setting a mental or actual stop-loss at a level below your breakeven to limit losses if the stock drops sharply.
5
Reassess After Each Expiration Cycle
After each option expires or is closed, recalculate your updated cost basis and breakeven before entering the next covered call trade.
!
Breakeven Is Not a Floor

While the premium lowers your breakeven, it does not prevent further losses. If the stock crashes 30%, the 2-3% premium cushion provides only partial protection. Always consider your risk tolerance and use position sizing to limit exposure to any single stock.

Frequently Asked Questions

The breakeven price for a covered call is simply your stock purchase price minus the premium received per share. For example, if you bought stock at $75 and received $2.50 in premium, your breakeven is $72.50. At any price above $72.50, you have a profit. Below $72.50, you have a net loss.

Sources & References

  • U.S. Securities and Exchange Commission (SEC) - Investor Education
  • Options Clearing Corporation (OCC) - Options Education
  • Chicago Board Options Exchange (CBOE) - Options Strategies
  • Hull, J.C. "Options, Futures, and Other Derivatives" (11th Edition, 2021)

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