Guts Option Strategy
What are the characteristics of this option strategy?
Guts spreads pair an in-the-money call with an in-the-money put on the same underlying and the same expiration date, with the call strike below the put strike so that both legs start with intrinsic value. A long guts buys both options and pays a large debit; a short guts sells both and collects the combined premium. The two sides are not mirror images in risk. A long guts has defined risk, capped at the net debit paid. A short guts is net short both legs: because both options sit in the money, the position is obliged to pay out the difference between the strikes no matter where the stock finishes, and beyond the strikes the loss keeps growing. On a rally that loss is unlimited, and on a collapse it runs all the way down to a stock price of zero. A short guts is not a low risk or beginner position, and it requires substantial margin.
Is this a bullish, bearish or neutral strategy?
A short guts is a neutral, short-volatility position: it makes its maximum profit when the stock finishes between the two strikes and it loses if the stock moves far in either direction. A long guts is the mirror image and needs a large move in either direction to pay.
Is this a beginner or an advanced option strategy?
A long guts is an intermediate option strategy. A short guts is an advanced one: it carries open-ended loss on the upside, early assignment risk on two in-the-money legs, and a margin requirement that scales with the move against it. In either case the investor must understand option pricing, the “Greeks” (delta, theta, gamma and vega), volatility, and the risks associated with trading options.
In what situation will I use this strategy?
A short guts is used when the investor expects the underlying stock to stay between the two strikes through expiration, so that the combined premium collected exceeds the fixed payout the position owes. A long guts is used for the opposite view, when a large move is expected but the direction is unknown. Neither version establishes a cheap long position in the stock, and the short version does not limit the maximum loss.
Where does this strategy typically fall in the range of risk-reward and probability of profit?
A short guts has a high probability of a small profit and a low probability of a very large loss. The gain is capped at the credit received minus the distance between the strikes, and it is earned anywhere between the strikes, so the win rate can look attractive. The losses are the problem: they are open ended above the higher strike and run down to zero below the lower one, so a single move outside the strikes can wipe out many winning trades. A long guts inverts that profile, with a defined loss equal to the debit paid and a low probability of the large move it needs.
How is this strategy affected by the greeks?
The Guts option strategy is primarily affected by delta (the rate of change in the price of the option relative to changes in the underlying stock), theta (the rate of change in the price of the option relative to changes in time to expiration) and vega. Because both legs are in the money, each one carries a delta well above 0.50 in absolute terms; the pair only nets out near delta neutral when the strikes sit roughly the same distance either side of the current price. A short guts is short vega and collects theta as the extrinsic value in both legs erodes. A long guts pays that theta and is long vega.
In what volatility regime (i.e VIX level) would this strategy be optimal?
A short guts is a short-volatility position, so it is normally opened when implied volatility is elevated relative to what the stock is actually delivering, because that is when the extrinsic value in the two legs is richest. The trade then needs implied volatility to contract and the stock to stay between the strikes. A high VIX raises the credit but also raises the odds of the move that breaks the position, so a rich premium is not by itself a reason to sell. A long guts is the opposite trade and prefers cheap implied volatility ahead of an expected move.
How do I adjust this strategy when the trade goes against me? And how easy or difficult is this strategy to adjust?
When the trade goes against the investor, they can adjust the Guts option strategy by exiting it, rolling it out to a later expiration date, or buying a wing to cap the side that is under pressure. A short guts is harder to adjust than it looks. Both legs start in the money, so the position carries genuine early assignment risk on whichever leg is deepest, and rolling a losing short guts usually means taking in less credit than the loss already incurred. Buying a further out-of-the-money call converts the open-ended upside into a defined risk and is often the cheapest fix available.
Where does this strategy typically fall in the range of commissions and fees?
The Guts option strategy sits towards the higher end of the range of trading costs. It is a two-leg position, and in-the-money options usually carry wider bid-ask spreads and thinner quotes than at-the-money contracts, so the cost of getting in and out is larger than the commission schedule alone suggests. Early assignment on an in-the-money short leg is also a real possibility and brings its own costs.
Is this a good option income strategy?
A short guts collects premium and profits from time decay, so it is often grouped with income strategies, but the income is capped and the risk behind it is not. Treating it as a routine income trade is how accounts get damaged: the position is short two in-the-money options, and one gap outside the strikes can cost far more than the credit received. A long guts is a debit position and generates no income at all.
How do I know when to exit this strategy?
A short guts reaches its maximum profit only at expiration, and only while the stock sits between the two strikes, so most traders close it once a large share of the available credit has decayed away rather than holding to the last day. The more important exit is the defensive one: if the stock approaches either strike, the position should be closed or rolled, because past that point the loss grows without a cap on the upside and all the way to zero on the downside. Waiting to see whether it comes back is what turns a small loss into an account-sized one.
How will market makers respond to this trade being opened?
Market makers may respond to this trade by laying off some of the risk associated with the spread. This may be done through options trading, where the market maker sells options contracts to offset their risk from the spread.
What is an example (with calculations) of this strategy?
Here’s an example of the Guts Option Strategy using the stock MSFT, which is trading at $285:
This is a short guts, so both legs sold are in the money:
Sell 1 MSFT call option with a strike price of $275 for a premium of $18.00
Sell 1 MSFT put option with a strike price of $295 for a premium of $18.00
The total credit received is $36.00 per share, or $3,600 for the pair. That credit is not the maximum profit, because both options are in the money and the position owes the $20.00 difference between the strikes wherever the stock finishes between them. The maximum profit is therefore $36.00 minus $20.00, or $16.00 per share ($1,600), and it is earned anywhere between $275 and $295 at expiration.
The breakevens sit a long way out. On the upside the position loses once MSFT closes above $311 (the $275 call strike plus the $36.00 credit). On the downside it loses once MSFT closes below $259 (the $295 put strike minus the $36.00 credit).
Beyond those points the loss is not capped. At $340 the short $275 call is worth $65.00, against $36.00 of credit, for a loss of $29.00 per share ($2,900), and it keeps growing dollar for dollar with every further point MSFT gains. There is no upper bound. On the downside, if MSFT went to zero the short $295 put would be worth $295.00 against the $36.00 credit, a loss of $259.00 per share, or $25,900 on a single pair of contracts.
Both legs also start in the money, so either one can be assigned early, and the broker will hold margin against the position that increases as the stock moves against it. A trader who wants the same neutral view with a defined loss should buy an out-of-the-money call and put against the position, which turns it into an iron butterfly or iron condor and puts a floor under the bad outcome.
MarketXLS
MarketXLS is a powerful Excel add-in that helps investors and traders analyze and trade stocks, ETFs and options more efficiently. It helps investors compare different options strategies, calculate the values of options and implied volatilities, and to adjust strategies when the market moves against their positions. MarketXLS also provides risk management tools and analytics to help investors optimize their profits and manage their risks. With the easy-to-use tools and the powerful analytics provided by MarketXLS, investors can quickly and easily analyze and trade options.
Here are some templates that you can use to create your own models
Short Gut
Long Gut
Covered Call Option Strategy
Covered Put
Strike Arbitrage
Covered Put
Christmas Tree Spread With Puts Option Strategy
Christmas Tree Spread With Puts Option Strategy
Long Calendar Spread With Puts Option Strategy
Diagonal Spread with Puts Option Strategy
Long Butterfly with Puts Option Strategy
Long Calendar Spread with Puts Option Strategy
Synthetic Long Stock Option Strategy
Iron Condor Option Strategy
Synthetic Short Straddle with Puts
Butterfly for Shorts Spread
Short Butterfly Spread
Put-Call Parity Arbitrage
Search for all Templates here: https://marketxls.com/templates/
Relevant blogs that you can read to learn more about the topic
Short Guts & Long Guts Option Strategy
Short Guts Options Strategy
Mastering the Art of Shorting Call Options
Long Guts Options Strategy
The Benefits of Using Call Credit Spreads for Trading