Bull Call Spread
A Bull Call Spread is a debit spread built by buying a lower-strike call and selling a higher-strike call of the same expiry. It caps both profit and loss.
At a glance
Strategy Snapshot
Market View
Moderately bullish — expecting a measured upside move.
Net Cost
Net debit (lower-strike call premium − higher-strike call premium).
Legs
Buy lower-strike Call, Sell higher-strike Call
Max Profit
Difference between strikes − Net premium paid.
Max Loss
Net premium paid.
Breakeven
Lower strike + Net premium paid.
Build
Strategy Construction
Color-coded legs — emerald for long positions, rose for short positions. Strikes shown around reference spot 100.
- BUYLeg 1
1 × 100 CE
Premium 3.00
- SELLLeg 2
1 × 110 CE
Premium 1.00
Visualize
Payoff at Expiry
Conceptual payoff with reference spot = 100. Strikes and premiums shown are illustrative.
Sensitivity
Greeks Exposure
Net portfolio Greek exposure for a typical setup. Bars show directional sensitivity from −1 (short) to +1 (long).
Delta
Directional exposure to underlying price.
+0.40
Long
Gamma
Sensitivity of Delta to price changes.
+0.15
Long
Theta
Time decay exposure (per day).
-0.20
Short
Vega
Sensitivity to implied volatility shifts.
+0.20
Long
Strengths
Advantages
Why traders use it
- Cheaper than a naked Long Call thanks to credit from the short leg.
- Defined risk and defined reward — easier position sizing.
- Less sensitive to IV and time decay than a long call.
Trade-offs
Risks & Disadvantages
What can go wrong
- Upside is capped at the higher strike.
- Needs a directional move; range-bound markets erode the debit.
- Closing both legs may have higher transaction costs.
Avoid
Common Mistakes
Watch out for
- Choosing strikes too wide, defeating the cost-reduction benefit.
- Holding too close to expiry — gamma risk can flip a profit to loss.
- Ignoring early assignment risk on the short leg in some markets.
AI Insight
LiveBull Call Spreads outperform naked calls when IV percentile is between 30–60 and the expected move is moderate. The short leg recovers ~30–40% of premium decay over the trade window.
Generated by NextQuantLabs AI — for educational guidance only.
Questions
Frequently Asked
When does a Bull Call Spread reach max profit?+
When the underlying closes at or above the higher strike at expiry.
Can I close it early?+
Yes — many traders book profits at 60-80% of max value to avoid late gamma risk.