Bull Call Spread

What Is a Bull Call Spread?

A bull call spread is a directional options strategy used when a trader expects moderate upside. It involves buying a call at a lower strike and simultaneously selling a call at a higher strike, both with the same expiration. The premium collected from the short call partially offsets the long call’s cost, resulting in a net debit.

The structure creates a defined profit zone between the two strikes. Maximum profit is realized if the underlying closes at or above the short call’s strike at expiration. Maximum loss — capped at the net debit paid — occurs if the underlying closes at or below the long call’s strike at expiration.

Example (stock at $100):

• Buy the $100 call for $4.00
• Sell the $105 call for $1.50
• Net debit: $2.50 ($250 per contract)
• Max profit: $2.50 (difference in strikes minus net debit)
• Max loss: $2.50 (net debit paid)
• Breakeven: $102.50

Why It Matters for Options Traders

The bull call spread is one of the most common strategies for traders who have a bullish directional view but want to reduce the cost and risk of simply buying a call outright. Buying a naked call exposes traders to full premium loss if the stock doesn’t move; the spread structure reduces that cost while still participating in upside — just capping it.

The tradeoff is that gains are capped at the short strike. If the stock makes an outsized move beyond the short strike, the trader doesn’t benefit from the additional upside. This makes the strategy best suited for scenarios where the expected move is moderate and well-defined rather than open-ended.

Bull call spreads are also more forgiving of IV changes than outright long calls. Because you’re both long and short volatility, a drop in implied volatility hurts the long call but helps the short call, partially offsetting the impact. The position has a net positive delta and benefits most from price appreciation in the underlying.

Key Characteristics

• Risk profile: Defined risk (net debit paid) and defined reward (spread width minus debit)
• Ideal environment: Moderately bullish outlook with a clear price target near the short strike
• Breakeven: Long call strike plus net debit paid
• Delta exposure: Positive, decreasing as the underlying approaches and exceeds the short strike
• IV sensitivity: Lower than a naked long call because of the partially offsetting short call
• Expiration: Typically used with 30-60 DTE to balance time decay against the directional move needed