the bullish trade
downloads | signup | login
Blog

Mastering the Short Calendar Spread: A Powerful Options Trading Strategy

Mastering the Short Calendar Spread: A Powerful Options Trading Strategy

Options trading is a diverse world filled with many strategies tailored to different market conditions. One of the most effective strategies in a low-volatility environment is the Short Calendar Spread. This strategy allows traders to profit from time decay and an anticipated lack of price movement in the underlying asset.

In this article, we'll walk you through the ins and outs of the Short Calendar Spread trading strategy, explain how it works, when to use it, and how The Bullish Trade app can help you find the best options setups to maximize your profits and boost your win rate.

Options Trading Strategy

What is the Short Calendar Spread?

The Short Calendar Spread is an options strategy that involves selling a longer-term option while buying a shorter-term option on the same underlying asset with the same strike price. Traders typically sell a long-dated option and buy a near-term option. The idea is to profit from the difference in time decay between the two options.

Key Components of the Short Calendar Spread

  1. Sell a Longer-Dated Option: This is the option with a further expiration date.
  2. Buy a Near-Term Option: This option has a closer expiration date and the same strike price as the longer-dated option.

The strategy benefits from theta decay (time decay) of the nearer-term option while expecting the underlying asset to stay near the strike price at expiration.

Why Use the Short Calendar Spread?

The Short Calendar Spread is ideal for traders who believe that the underlying stock or ETF will experience low volatility and remain relatively stable near the strike price of the options. The main profit driver in this strategy is time decay, meaning that you want the shorter-term option to lose value faster than the longer-term option.

Best Market Conditions for a Short Calendar Spread

  • Low Volatility: This strategy thrives in a low-volatility environment, where the stock price doesn’t make significant moves.
  • Neutral Market Sentiment: You expect the price of the underlying asset to remain stable or make minimal moves around the strike price.
  • Time Decay as a Benefit: Since options lose value as they approach expiration, the Short Calendar Spread capitalizes on the time decay of the front-month (shorter-term) option.

With the right tools, like The Bullish Trade’s options volume scanner, you can identify low-volatility stocks or assets and find the best opportunities to trade the Short Calendar Spread effectively.

How to Set Up a Short Calendar Spread

Setting up a Short Calendar Spread is relatively simple. Here's a step-by-step guide:

1. Choose an Underlying Stock or ETF

The first step in any options strategy is selecting the underlying asset. You should look for stocks or ETFs that are currently experiencing low volatility and are expected to continue trading in a narrow range.

The Bullish Trade app simplifies this process by providing an options flow scanner that highlights potential setups based on volume, volatility, and unusual activity. It helps you screen for opportunities quickly and effectively.

2. Select the Strike Price

Once you've selected your underlying asset, choose a strike price close to where you expect the stock to trade by the time your near-term option expires.

3. Sell a Longer-Term Option

Sell a longer-dated option at your chosen strike price. This could be an option expiring in 60 days or more. The premium you collect from selling this option is your potential profit.

4. Buy a Near-Term Option

Buy a nearer-term option (with the same strike price as the longer-dated option). This shorter-term option will lose value faster due to time decay.

5. Monitor and Manage the Trade

The ideal outcome is for the underlying asset to remain near the strike price as your short-term option approaches expiration. As the short-term option decays faster, you can potentially close the trade for a profit.

Example of a Short Calendar Spread

Let’s say Stock ABC is currently trading at $50, and you expect it to stay around this price in the coming weeks. Here’s how you might set up a Short Calendar Spread:

  • Sell 1 ABC 60-Day $50 Call (Long-Term Option)
  • Buy 1 ABC 30-Day $50 Call (Near-Term Option)

In this case, you would profit if Stock ABC remains close to $50 by the time the near-term option expires. The time decay in the near-term option would outweigh any losses in the longer-term option.

Options Strategy Example

Risk and Reward of the Short Calendar Spread

Maximum Profit

The maximum profit is achieved when the price of the underlying asset remains at or near the strike price as the short-term option expires. At this point, the shorter-term option will have decayed, allowing you to profit from the difference in premiums.

Maximum Loss

Your maximum loss occurs if the underlying asset experiences significant volatility, moving far from the strike price. In this case, both options could lose value, resulting in a loss.

Breakeven Points

Your breakeven points are determined by the premiums you collect and pay for the options. You want the stock price to remain within a range where the premium decay of the near-term option exceeds the value lost in the longer-term option.

Benefits of the Short Calendar Spread

  1. Low Capital Requirement: The Short Calendar Spread requires relatively low capital compared to more complex strategies.
  2. Time Decay Advantage: You profit from the near-term option decaying faster than the longer-term option.
  3. Neutral Strategy: This strategy works best when the market is trading sideways or experiencing minimal volatility.

Potential Drawbacks of the Short Calendar Spread

  1. Limited Reward: The profit potential is limited since the strategy is designed to benefit from small price movements or no movement at all.
  2. Volatility Risk: A sudden spike in volatility could lead to losses, as both options could decrease in value if the price moves too far from the strike.

How The Bullish Trade App Can Help

Executing a Short Calendar Spread requires precision in selecting the right underlying asset, strike prices, and expiration dates. This is where The Bullish Trade app becomes a valuable tool. With its options scanner, you can automatically find the best setups for this strategy based on options volume, unusual activity, and volatility data.

In addition, The Bullish Trade (iOS/Android/Other Platforms) app offers simplified company fundamentals, making it easier for traders to understand stock performance and make informed decisions. Whether you're scanning for high IV options or filtering stocks for low volatility, our app provides everything you need to succeed in options trading.

Options Trading with The Bullish Trade

Final Thoughts

The Short Calendar Spread is a versatile strategy that can offer consistent profits in low-volatility environments. By using a balanced approach to time decay and market stability, traders can capitalize on small price movements while managing risk.

Whether you're a seasoned options trader or just starting, The Bullish Trade app helps you enhance your options trading game. With our best options scanner and easy-to-understand insights, you'll find the right trades faster, improve your win rate, and make more informed trading decisions.

Start your trading journey today with The Bullish Trade and optimize your strategies with our powerful scanning tools.


The Bullish Trade makes options trading simpler by offering best options flow scanner and insights into options volume scanner setups. Visit The Bullish Trade now and get started on maximizing your trading potential.