Follow a practical process for selecting the underlying, buying the lower strike, selling the higher strike and entering the spread as one order.
Start with a specific thesis
Define the expected direction, target price and time window before opening the option chain. A vague bullish view makes it difficult to choose strikes or judge whether the spread's capped reward is sufficient.
Choose matching contracts
Both calls should normally use the same underlying, expiration and contract multiplier. Buy the lower strike and sell the higher strike in equal quantity. Confirm that the order ticket shows a vertical call debit spread.
Set a limit debit
Enter the position as one multi-leg limit order. The natural and midpoint prices can change quickly, and legging into the trade can create temporary naked exposure, directional slippage and execution risk.
Record the complete plan
Before sending the order, write down maximum loss, maximum profit, breakeven, target exit, time exit and the event calendar. Check commissions, assignment features and liquidity for both legs.
A practical example
A trader expects a stock at $98 to reach about $108 within six weeks. The trader buys the 100 call and sells the 110 call together, paying a $3.20 net debit through one vertical-spread order.
This simplified example focuses on the spread at a specific moment and expiration outcome. Live option prices also reflect the underlying price, time decay, rates, dividends, liquidity and transaction costs. Greeks are theoretical estimates, not guarantees.
Frequently asked questions
Which call is purchased?
The lower-strike call is purchased and the higher-strike call is sold.
Must the quantities match?
A standard one-to-one bull call spread uses equal quantities.
Should the legs be entered separately?
A combined limit order usually provides clearer risk control than legging.
Continue the Bull Call Spreads cluster
Explore related guides: Bull Call Spread Profit, Loss and Breakeven · Bull Call Spread vs Long Call · Time Decay in a Bull Call Spread. For a structured sequence, use the free Level 9 – Bull Call Spread Strategy course.
Options involve risk and are not suitable for every investor. This material is educational and is not investment, tax or legal advice. Greeks are theoretical estimates, and contract terms and broker requirements can vary.