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OptionsMath

Bear Call Spread Calculator

Bear call spread profit or loss equals net credit minus short call obligation plus long call value, times 100 shares times contracts.

Expiration scenarios

Solution

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Bear Call Spread Formula

Break-even equals short call strike plus net credit. Maximum loss equals spread width minus credit.

Worked Examples

Load these examples to compare common bear call spread payoff outcomes.

BASE CASE

Bearish credit spread expires worthless

The stock stays below the short call strike.

  • Calculate the credit.
  • Both options expire out of the money.
  • Profit equals the premium collected.

Result: the spread keeps the full net credit.

This ignores commissions and early assignment.

How It Works

A bear call spread sells a lower-strike call and buys a higher-strike call. The trade collects a credit and profits when the stock stays below the short call strike.

Example Problem

Sell a $100 call for $5 and buy a $110 call for $2. The stock finishes at $96.

  1. Calculate net credit per share.
  2. Calculate option intrinsic value at expiration.
  3. Subtract any spread loss from the credit collected.
  4. Compare the result with maximum profit, maximum loss, and break-even.

Credit spreads are defined-risk positions when both legs share the same expiration and contract count.

Key Concepts

Credit received lowers break-even and defines maximum profit. The long option limits the loss beyond the protective strike.

Applications

  • Comparing credit to spread width.
  • Sizing defined-risk premium-selling trades.
  • Finding break-even and return on risk.

Common Mistakes

  • Forgetting the 100 share contract multiplier.
  • Entering the strikes in the wrong order.
  • Treating expiration payoff as a live option mark.

Frequently Asked Questions

What does the Bear Call Spread Calculator calculate?

It calculates expiration profit or loss, break-even levels, maximum profit or loss where they are defined, and payoff chart data from manually entered prices and premiums.

Does this calculator need live option quotes?

No. Enter the stock price, strikes, premiums, and contracts yourself. The calculator models expiration payoff from those inputs.

Does this model early assignment or changing implied volatility?

No. It is an expiration payoff calculator. It does not model commissions, fees, early assignment, exercise decisions, taxes, or mark-to-market pricing before expiration.

Why can payoff before expiration differ from this result?

Before expiration, option prices still include time value and implied volatility. This calculator focuses on intrinsic value at expiration.

Reference: Options Industry Council strategy education and standard expiration payoff definitions.

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