Net Position (at expiration)
Short 1 XYZ 60 call
Long 1 XYZ 65 call
Net premium received
High strike – low strike – net premium received
A bear call spread is a type of vertical spread. It contains two calls with the same expiration but different strikes. The strike price of the short call is below the strike of the long call, which means this strategy will always generate a net cash inflow (net credit) at the outset.
The short call’s main purpose is to generate income, whereas the long call simply helps limit the upside risk.
The profitability of the strategy depends on how much of the initial premium revenue is retained before the strategy is closed out or expires. As the strategy’s name suggests, it does best if the stock stays below the lower strike price for the duration of the options.
Still, an unexpected rally should not provoke a crisis: though the maximum gain of this strategy is very limited, so are potential losses.
It is interesting to compare this strategy to the bear put spread. The profit/loss payoff profiles are exactly the same, once adjusted for the net cost to carry.
The chief difference is the timing of the cash flows. The bear put spread requires a known initial outlay for an unknown eventual return; the bear call spread produces a known initial cash inflow in exchange for a possible outlay later on.
Looking for a decline in the underlying stock’s price during the life of the options. As with any limited-time strategy, the investor’s long-term forecast for the underlying stock isn’t as important, but this is probably not a suitable choice for those who have a bearish outlook past the immediate future. It would take an accurately timed forecast to pinpoint the turning point where a coming short-term rally would turn into a bearish long term.
A bear call spread is a limited-risk, limited-reward strategy, consisting of one short call option and one long call option. This strategy generally profits if the stock price holds steady or declines.
The most it can generate is the net premium received at the outset. If the forecast is wrong and the stock rallies instead, the losses grow only until the long call caps the amount.
The chance to earn income with limited risk, and/or profit from a decline in the underlying stock’s price.
A vertical call spread can be a bullish or bearish strategy, depending on how the strike prices are selected for the long and short positions. See bull call spread for the bullish counterpart.
The maximum loss is limited. The worst that can happen at expiration is for the stock price to be above the higher strike. In that case, the investor will be assigned on the short call, now deep-in-the-money, and will exercise the long call. The simultaneous exercise and assignment will mean selling the stock at the lower strike and buying the stock at the higher strike. The maximum loss is the difference between the two strikes, but it is reduced by the net credit received at the outset.
The maximum gain is limited. The best that can happen at expiration is for the stock to be below both strike prices. In that case, both the short and long call options expire worthless, and the investor pockets the credit received when putting on the position.
Both the potential profit and loss for this strategy are very limited and very well-defined. The initial net credit is the most the investor can hope to make with the strategy. Profits at expiration start to erode if the stock is above the lower strike price, and losses reach their maximum if the stock hits the higher strike price. Above the higher strike price, profits from exercising the long call completely offset further losses on the short call.
The way in which the investor selects the two strike prices determines the maximum income potential and maximum risk. By selecting a lower short call strike and/or a higher long call strike, the investor can increase the initial net premium income. However, it may be interesting to experiment with the Position Simulator to see how such decisions would affect the likelihood of short call assignment and the level of protection in the event of a big rally.
This strategy breaks even at expiration if the stock price is above the lower strike by the amount of the initial credit received. In that case the long call would expire worthless, and the short call’s intrinsic value would equal the net credit.
Breakeven = short call strike + net credit received
Slight, all other things being equal. Since the strategy involves being short one call and long another with the same expiration, the effects of volatility shifts on the two contracts may offset each other to a large degree.
Note, however, that the stock price can move in such a way that a volatility change would affect one price more than the other.
The passage of time helps the position, though not quite as much as it does a plain short call position. Since the strategy involves being short one call and long another with the same expiration, the effects of time decay on the two contracts may offset each other to a large degree.
Regardless of the theoretical impact of time erosion on the two contracts, it makes sense to think the passage of time would be a positive. This strategy generates net up-front premium income, which represents the most the investor can make on the strategy. If there are to be any claims against it, they must be occur by expiration. As expiration nears, so does the date after which the investor is free of those obligations.
Yes. Early assignment, while possible at any time, generally occurs when the stock goes ex-dividend. Be warned, however, that using the long call to cover the short call assignment will require establishing a short stock position for one business day, due to the delay in receiving assignment notification.
And be aware, a situation where a stock is involved in a restructuring or capitalization event, such as for example a merger, takeover, spin-off or special dividend, could completely upset typical expectations regarding early exercise of options on the stock.
Yes. The investor cannot know for sure whether or not they were assigned on the short call until the Monday after expiration. That creates risk. The problem is most acute if the stock is trading just below, at or just above the short call strike.
Say the short call ends up slightly in-the-money, and the investor buys the stock in the market in anticipation of being assigned. If assignment fails to occur, the investor won’t discover the unintended net long stock position until the following Monday and is subject to an adverse move in the stock over the weekend.
There is risk in guessing wrong in the other direction, too. This time, assume the investor bets against being assigned. Come Monday, if assignment occurred after all, the investor is unexpectedly short the stock, and its value may have risen over the weekend.
Two ways to prepare: close the spread out early, or be prepared for either outcome on Monday. Either way, it’s important to monitor the stock, especially over the last day of trading.
Comparable Position: Bear Put Spread
Opposite Position: Bull Call Spread
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