A vertical call spread
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A vertical call spread is an options strategy that involves buying and selling call options with the same expiration date but different strike prices. It’s typically used when a trader expects moderate upside in the underlying asset and wants defined risk and reward.
🧾 Vertical Call Spread Structure
| Action | Type | Strike Price | Effect |
|---|---|---|---|
| Buy 1 Call | Long Call | Lower Strike | Profit if price rises |
| Sell 1 Call | Short Call | Higher Strike | Caps profit, reduces cost |
📌 Both options have the same expiration date
📊 Example
Let’s say stock XYZ is trading at $100:
-
Buy 1 Call @ $100 → pay $5
-
Sell 1 Call @ $110 → receive $2
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✅ Net Cost (Debit) = $3 per share = $300 per contract
-
✅ Max Profit = ($10 spread – $3 cost) = $7 per share = $700
-
✅ Max Loss = Premium paid = $300
-
✅ Break-even = Lower strike + net debit = $103
🟢 Why Use a Vertical Call Spread?
| Advantage | Details |
|---|---|
| Lower Cost | Cheaper than buying a call outright |
| Defined Risk & Reward | You know max loss and max gain up front |
| Time Decay Protection | Selling the higher strike helps offset time decay on the long call |
| Directional Bias | Used when moderately bullish on the underlying asset |
🔴 Risks & Limitations
| Risk | Explanation |
|---|---|
| Capped Upside | Profit is limited to the spread between strikes minus the cost |
| Full Loss If Flat/Down | If stock stays below the lower strike at expiration |
| Less profit in large moves | Compared to owning outright long call |
🧠 Summary
A vertical call spread is a strategic way to trade a bullish thesis while controlling cost and risk. It’s a favorite among traders looking to profit from modest upward moves without the high cost of long calls alone.

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