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Bull Call Spread

intermediate7 min read

Cap your cost and your reward to bet on a moderate rise — cheaper than a naked call.

A bull call spreadA defined-risk bullish options strategy. is your first multi-leg strategy: you buy a callThe right, not the obligation, to buy or sell at a set price. AND sell a higher-strikeThe fixed price at which an option can be exercised. callThe right, not the obligation, to buy or sell at a set price. (same expiry). It’s a defined-risk, defined-reward way to bet on a moderate rise — cheaper than buying a callThe right to buy the underlying at a set price — a bullish bet. outright.

The clever idea: *sell a callThe right, not the obligation, to buy or sell at a set price. to help pay for the callThe right, not the obligation, to buy or sell at a set price. you buy*. Buying a callThe right to buy the underlying at a set price — a bullish bet. alone is expensive and bleeds theta; by also selling a higher-strikeThe fixed price at which an option can be exercised. callThe right to buy the underlying at a set price — a bullish bet., you pocket premium that reduces your cost and your decay drag — in exchangeA regulated marketplace where shares are bought and sold. for capping your gains at the higher strikeThe fixed price at which an option can be exercised.. You’re saying “I think it’ll rise moderately, not moonshot, so I’ll trade away the unlikely huge-upside to make the likely moderate move cheaper and easier to win.” This is the core logic of all spreads: give up the part of the payoff you don’t expect to need, to make the part you do expect cheaper and higher-probability. Defined risk, defined reward, lower cost.
ExampleStock at ₹1,000. Buy the ₹1,000 callThe right, not the obligation, to buy or sell at a set price. for ₹40, sell the ₹1,050 callThe right, not the obligation, to buy or sell at a set price. for ₹20 → net cost ₹20 (vs ₹40 for the naked callThe right to buy the underlying at a set price — a bullish bet.). Max loss ₹20; max gain = (₹50 spreadThe gap between the highest buy price and lowest sell price. − ₹20) = ₹30 if the stock is ≥ ₹1,050 at expiry. You halved the cost and the breakeven, accepting that gains stopA pre-set exit that caps your loss if a trade goes wrong. at ₹1,050.
Key takeawayA bull call spreadA defined-risk bullish options strategy. = buy a callThe right, not the obligation, to buy or sell at a set price. + sell a higher-strikeThe fixed price at which an option can be exercised. callThe right, not the obligation, to buy or sell at a set price.: the sold callThe right to buy the underlying at a set price — a bullish bet. funds part of the bought callThe right to buy the underlying at a set price — a bullish bet., cutting cost and theta drag in exchangeA regulated marketplace where shares are bought and sold. for capped upside. Defined risk/reward, ideal for a moderate bullish view — the template for all spreads.
FAQs
When is a spread better than just buying a call?

When you expect a *moderate* move rather than a huge one, or when options are pricey/IV is high. The spread lowers your cost, breakeven and theta drag — improving your odds on a modest move — at the price of capping the unlikely big upside. For a true moonshot expectation, a naked call’s uncapped upside may be preferable.