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Bullish strategy · Intermediate

Bull Call Spread

Market outlook Moderately bullish

Long lower-strike call financed by short higher-strike call.

Semi-ProMedium risk30–60 days

Interactive position

Build the legs

Position structure—

Model: earliest-expiry valuation · expired legs use intrinsic value · every live leg retains Black–Scholes value using its own DTE and IV · 1 contract = 100 shares.

Position blueprints

Pre-built positions

Loads editable legs
Maximum profit—
Maximum loss—
Reward / risk—
Break-even price—
Position analyticsEarliest-expiry P&L
Valuation curveCurrent spot
X: underlying price at valuation · Y: profit / lossPer complete position · standard 100× option multiplier

Educational Example: Bull Call Spread on AAPL

Hypothetical scenario

Suppose you expect Apple to rise modestly. You buy a $190 call for $8 and sell a $200 call for $3, netting a $5 cost. At expiration:

  • Below $190: Both calls expire worthless; you lose $500 (the net cost).
  • $190–$200: Lower call is in-the-money; profit grows from $0 to $500.
  • Above $200: Both calls are in-the-money; max profit is capped at $500 (the difference between strikes).

Educational Example — Not a Recommendation. This scenario uses hypothetical prices. AAPL volatility, liquidity, and earnings dates affect real-world option premiums.

→ Model this strategy interactively with your expected range.

Strike configurations

Bull Call Spread variations

Wide bull call spread

Mixed

Place the strikes far apart for a larger potential profit at the cost of a bigger net debit.

Key difference: Higher max profit and higher cost; behaves more like a standalone long call.

Best for: Traders with a strong directional view who still want the spread's defined risk.

Narrow, near-the-money bull call spread

ATM

Place both strikes close together and close to the current price for a cheaper, higher-probability trade.

Key difference: Lower cost and higher probability of some profit, but the maximum payout is smaller.

Best for: Traders who want defined risk on a modest, higher-confidence move.

Common questions

Bull Call Spread FAQ

Why use a bull call spread instead of just buying a call?

Comparisons

Selling the higher-strike call reduces the net cost and lowers the breakeven price versus a naked long call, in exchange for capping the maximum profit at the upper strike.

What happens if the stock finishes between the two strikes?

Setup

You keep the intrinsic value of the long call, but the short call expires worthless. Profit is prorated based on how far the stock finished above the lower strike.

Can I lose more than my initial debit?

Greeks & Risk

No. Both legs are long and short options at defined strikes, so the maximum loss is capped at the net premium paid, regardless of how far the stock falls.

How do I choose the strike width?

Variations

Wider strikes raise the potential payout and cost more; narrower strikes lower the cost and raise the probability of at least some profit. Match the width to your conviction and risk budget.

Model boundary

This calculator uses exact intrinsic value at a leg’s expiration and Black–Scholes theoretical value while that leg remains open. Position Greeks use the same visible legs and model assumptions. Results exclude fees, tax, liquidity, margin, early exercise and assignment behavior. Educational illustration only—not financial advice.