Bull Call Spread

What is Bull Call Spread?

A bull call spread is a trading strategy aimed at making profits from the limited increase in price on the underlying by buying and selling multiple calls across a trading range thereby creating a spread on this trading range.

Formula

Let’s try to express this strategy in mathematical terms.

Bull Call spread = Long Call (buy a call at the low strike price) + Short Call (sell a call at a higher strike price)

Normally bullish call spread is executed with at the money long and out of the money short calls, but depending on the trading spread and time to expiry, this can be customized to maximize profits and minimize losses.

Bull call Spread

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Example of Bull Call Spread

Let’s understand this strategy with the help of an example.

You can download this Bull Call Spread Excel Template here – Bull Call Spread Excel Template

Consider a positional trader who wants to trade on stock optionsStock OptionsStock options are derivative instruments that give the holder the right to buy or sell any stock at a predetermined price regardless of the prevailing market prices. It typically consists of four components: the strike price, the expiry date, the lot size, and the share premium.read more currently trading at $ 30. The trader is moderately bullish on the stock and wants to profit from this movement. The trader believes the underlying stock should rise towards $ 50 in the next month. Hence there is a trading range of $20 in which the stock should trade in the next month.

Solution:

Let’s assume the following strike pricesStrike PricesExercise price or strike price refers to the price at which the underlying stock is purchased or sold by the persons trading in the options of calls & puts available in the derivative trading. Thus, the exercise price is a term used in the derivative market.read more trading at the following prices. For both these strikes, the expiration date is the same.

Bull Call Spread Example

There can be two way to trade this:

  • Buying a Naked Call: Trader can buy a call for a $30 strike price by paying a premium of $20.
  • Bullish Call Spread: Traders can create a spread by buying a lower strike price (at the money option) and selling out of the money option, in our example, buying a call option at a $30 strike price and selling a call option at a higher strike price of $50.

Let’s see how these positions play out at expiry. Although there can be multiple instances, let’s consider three scenarios for both the trading strategies

#1 – Stock Price Expires within Range of Spread, let’s say $5

Example.1
  • Loss/Gain = $15 – $20 = ($5)

Thus even though the trader’s view was correct, still the trader had to book a loss.

Bull Call Spread Example.1.1
  • Total Gain/Loss = ($5) + $10 = $5

#2 – Stock Price Expires below Lower Strike Price, let’s say $20

Example.1.2
  • Loss/Gain = $0 – $20 = ($20)
Bull Call Spread Example.1.3
  • Total Gain/Loss = ($20) + $10 = ($10)

#3 – Stock Price Expires at above Higher Strike Price, let’s say $10.

Example.1.4
  • Loss/Gain = $30 – $20 = $10
Bull Call Spread Example.1.6
  • Total Gain/Loss = $10+$0 = $10

Going by the above example, it is clear that even though the trader’s view was correct, he still had to book loss in 2 out of the three cases. Only when the stock rises much above the anticipated level, a trader could book some profit. On the other hand, bullish call spread provides profit in 2 out of 3 scenarios. Also, in the third scenario, when a stock moves opposite to the view, it minimizes the losses.

Trade Parameters

Let’s calculate the trade parameters to execute this trade.

#1 – Maximum Risk

The maximum risk of the bullish call spread is limited to the total premium paid in buying a low strike price call. Simply put, it will be the total premium invested in buying the lower leg or lower strike price of this call spread strategy.

#2 – Maximum Reward

The maximum reward of this spread strategy is the difference in the Strike Price of the two call options minus the total premium paid for these two strike prices plus the total brokerage costs. Breakeven is calculated as the Lower Strike Price of the call options bought/sold Plus total Premium Paid plus the brokerage costs.

#3 – Net Position

A bull call spread is a net debit strategy as the trader ends up paying a premium as he is buying an at the money call and selling an out of the money call.

Advantages

Disadvantages

  • The maximum profit of this spread strategy is capped by the higher strike call sold if the price of the underlying rises to a level greater than that anticipated by the trader.
  • If the strike price rises much above the higher strike price, then the maximum profit is capped and start acting as a liability on the trading position.
  • The bull call spread can be exited completely simply by offsetting the spread. That is by buying back the lower strike call options and selling the higher strike price call options that were initially bought.
  • It can be exited in multiple stages by closing the positions leg by leg depending on the direction in which the underlying stock price is moving.

Conclusion

A bull call spread is a great substitute in comparison to buying a naked call option. It not only reduces the breakeven price but also increases the risk-reward ratio providing an inbuilt hedging mechanism, thus providing a margin of safety to the trader.

Recommended Articles

This has been a guide to What is Bull Call Spread and its definition. Here we discuss the calculation of bull call spread along with an example, advantages, and disadvantages. You can learn more about derivatives trading from the following articles –

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