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The options trading arena thrives on creativity and strategic combinations. The Long Butterfly Spread, a non-directional options strategy, offers a nuanced approach to profiting from a limited price movement in the underlying asset. This comprehensive guide delves into the mechanics, potential benefits, and considerations associated with this versatile strategy.

Understanding the long butterfly spread

The Long Butterfly Spread involves buying and selling options contracts with different strike prices on the same underlying asset and expiry date. It's essentially a combination of a bull put spread and a bear call spread:

  • Buying an In-the-Money (ITM) Call Option: This option has a strike price lower than the current market price of the underlying asset.
  • Selling Two At-the-Money (ATM) Call Options: These options have a strike price closest to the current market price.
  • Buying an Out-of-the-Money (OTM) Call Option: This option has a strike price higher than the current market price.

Effectively, the Long Butterfly Spread creates a defined profit zone. The maximum profit is achieved when the underlying asset price remains near the ATM strike price at expiry. Here's a breakdown of the profit scenarios:

  • Price Stays Near ATM: If the price of the underlying asset stays close to the ATM strike price at expiry, both the sold call options expire worthless. The trader keeps the net debit paid (difference between premiums paid and received) as profit.
  • Price Moves Slightly Outside the Defined Zone (Limited Loss): If the price moves slightly outside the defined zone at expiry, the trader experiences a small loss. This loss is limited by the difference between the strike prices of the options and the net debit paid.

Benefits of the long butterfly spread strategy

The Long Butterfly Spread offers several advantages for options traders:

  • Defined Risk: Similar to the Iron Condor, the Long Butterfly Spread limits your potential loss, unlike directional strategies like buying calls.
  • Profitable in a Low Volatility Market: This strategy thrives in markets with low expected volatility, where the underlying asset price is anticipated to remain relatively stable.
  • Income Generation: The net debit paid upon entering the spread acts as a form of upfront investment, potentially generating a return on your capital if the trade is profitable.

Risks associated with the long butterfly spread strategy

While attractive, the Long Butterfly Spread also carries inherent risks:

  • Limited Profit Potential: The maximum profit for this strategy is capped by the net debit paid. Unlike some directional bets, there's no unlimited profit potential.
  • Loss if Price Moves Significantly: If the price of the underlying asset moves significantly outside the defined zone at expiry, the trader can incur substantial losses that potentially exceed the net debit paid.
  • Time Decay (Theta): As time progresses towards expiry (theta), the value of purchased options (ITM and OTM calls) erodes faster compared to the sold ATM calls. This can reduce the potential profit or magnify potential losses.

Who should consider the long butterfly spread?

The Long Butterfly Spread is well-suited for options traders who:

  • Are Neutral on the Market: If you believe the underlying asset price will remain relatively stable within a specific range, the Long Butterfly Spread can generate income while limiting downside risk.
  • Seek Defined Risk: The defined risk profile of this strategy appeals to risk-averse traders who prioritise limited potential losses.
  • Have Experience with Options Trading: The Long Butterfly Spread involves multiple option contracts. A solid understanding of options mechanics and risk management is crucial before deploying this strategy.

Long butterfly spread example

Let's consider an example to illustrate the Long Butterfly Spread:

  • Underlying Asset: Nifty 50
  • Expiry Date: 3 Months
  • Buy ITM Call Strike: 17500
  • Sell 2 ATM Call Strikes: 18000
  • Buy OTM Call Strike: 18500
  • Net Debit Paid: ₹100 per share

Scenario 1: Price Stays Near ATM (Profit)

If the Nifty 50 remains around 18000 at expiry, both the sold ATM calls expire worthless. The trader keeps the entire net debit of ₹100 per share as profit.

Scenario 2: Price Moves Outside the Defined Zone (Loss)

If the Nifty 50 rises significantly above 18500 at expiry, the trader incurs a loss on the entire spread. This loss can potentially exceed the net debit paid depending on the extent of the price movement.

Advanced variations of the long butterfly spread

The basic Long Butterfly Spread can be customised to suit specific market conditions and risk tolerances. Here are a few variations:

  • Wide Butterfly Spreads: These involve using wider strike prices for all the call options (ITM, ATM, and OTM) in the spread. This creates a larger defined profit zone but also increases the potential loss if the price moves significantly outside the zone. Wide Butterfly Spreads are suitable for markets with anticipated even lower volatility compared to the standard Long Butterfly Spread.
  • Ratio Butterfly Spreads: Similar to the Ratio Iron Condor, this variation involves buying and selling a different number of call options for each part of the spread. For example, a trader might buy one ITM call, sell two ATM calls, and buy only one OTM call. This adjusts the risk profile and potential profit based on the trader's directional bias. A ratio Butterfly Spread might be used if the trader has a slight bullish bias but still wants to capitalise on limited price movement.

Long butterfly spread options trading tips

Here are some tips to consider when using the Long Butterfly Spread strategy:

  • Low Volatility Markets: This strategy is most effective in markets with anticipated low volatility. High volatility can lead to significant losses if the price moves outside the defined zone.
  • Strike Selection: Choosing the right strike prices for your Long Butterfly Spread is crucial. Consider the underlying asset's historical volatility and potential price movements when selecting strike prices.
  • Theta and Time Management: Be mindful of theta decay, especially as the expiry approaches. Entering the trade closer to expiry can reduce the impact of theta.
  • Proper Risk Management: Always adhere to proper risk management practices. Use stop-loss orders to limit potential losses if the price moves against you. Don't allocate too much capital to any single Long Butterfly Spread trade.


The Long Butterfly Spread offers a valuable tool for options traders seeking to generate income while limiting risk in a low-volatility market environment. By understanding its mechanics, potential profits, and inherent risks, you can determine if the Long Butterfly Spread aligns with your trading goals and risk tolerance. Remember, consistent learning, sound risk management, and a disciplined approach are crucial for success in the dynamic world of options trading.

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