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 have gotten to the stage where I have programmed my stops into both my Swing and Day Trades. But I keep getting questions from readers regarding how to set stops on Options trades. I happen to have many years of experience setting manual stops to good effect so I will lay it out right here for you. Lets get into it. 


First of all, there are two ways that you can go about setting stops on your Options trades and both methods work well whether you are day trading or swing trading. 


Method 1: Setting A Percentage (%) Stop Loss


This is basically when you take an option trade and set a stop loss on the contract price itself based on your risk appetite ( a level of risk that you can comfortably take) without giving too much consideration to the movement of the underlying stock. For instance, lets say you bought the a TSLA June 80 Call @ 6.50 and decided that you cannot afford to lose more than 2% on this trade. You would then set a stop loss at 5.85 which would ensure ( all things being equal) that if the Option contract declined to 5.85, it would be automatically sold and you wouldn't lose more that .65 on the trade. To set this up, you would first place the following order:


Buy To Open 1 TSLA Jun 80.00 Call @ Limit 6.50

and then once you are filled you would go ahead and place the stop order:

Sell To Close 1 TSLA Jun 80.00 Call @ Stop 5.90, Limit 5.85


A Word About "Stop Orders" vs "Limit Orders" vs "Stop Limit Orders


I know you are probably wondering why I would use "limit orders" on the trade entry instead of "stop limit orders" like I did on the exit. Well, Limit Orders basically tell the market maker that you want to sell your contract if/when it gets to 5.85 or better. "Better" in this case ( since we are trying to prevent a big loss) means higher. So in other words, with the limit order you are saying "i want to sell this thing if it gets to 5.85. I will take a fill above 5.85 but I will not take a fill below 5.85"


A "Stop Order", on the other hand, tells the market maker that you want to sell your contract at 5.85 once that price is reached. Period. 


The important thing to note is that, with a "stop order", once the set price is reached, the order becomes executable and can be filled at whatever the current market price is, which can give you a very bad fill in a fast moving market. 


For instance, lets say the TSLA stock price is moving around wildly, and the Option Contracts are moving just as fast in response to high volume and volatility, and you place a stop order to get out of the June 80.00 Calls at 5.85. What is likely to happen here is that as soon as the price gets to 5.85 your order becomes executable. However, if there are many orders at that price lined up before your own, there is a strong chance ( given that the market is moving fast) that your order will not be filled immediately. So a few seconds pass and you finally get filled at 5.10 because that is the current market price. You have just lost an additional .75 on the contract. So, please note that even though your order becomes executable once the price is reached, it doesn't mean that it will be filled right away. It rarely ever will be. With a stop order you are effectively telling the market maker " I want to sell this contract once the price reaches 5.85, even if I don't get filled immediately at that price, I just want to get out of the trade once 5.85 is hit". A stop order does not guarantee the best possible fill.


A stop Limit order is obviously a combination of both the limit and the stop order. With a stop limit order you are telling the market maker that " I want to sell this contract at 5.85, and no lower, once the 5.85 level is hit. But do not sell unless I can get 5.85". The obvious downside is that you can get stuck in the trade if there is a gap situation in a very fast market, but compared to the others, it gives you more control over the fill and gives you a better chance to get a proper, cleaner fill. 


Sorry about the digression. But I figured that if we were gonna talk about setting stops, we might as well clarify what they are. 


Now back to the matter at hand.


Method 2: Setting A Stop Order based on the underlying stock and the Option Greeks   


This is the method that I use most often since I mostly swing trade. This method comprises of a few steps but it is really very simple and can be very effective if executed properly. Lets take the same stock (TSLA) and Option contract ( Jun 80.00 Call) as an example and apply the following steps. 


1. You want to take a look at the stock and see where it is trading relative to its nearest support level. In this case TSLA closed the last session at 76.76 and the next level of significant support is at 70.00 and the next significant level below that is at 65.00. Since we are swing trading, we have to assume ( and make room for) the possibility of a test of support. By setting our stops based on these support levels, we are ensuring that we will be out of the trade in the event that support is broken and the stock enters a downtrend. 

 

2. Since we now know that the next level of significant support is 70.00 from the current price we can go ahead and calculate an appropriate stop loss by using the Option Greeks. 


NOTE: For those who do not know, the Greeks are nothing more than a couple of metrics/numbers that are used to price and gauge the risk profile an option. Don't be intimidated by them. For our purposes, we are primarily concerned with the Delta. The Delta is basically the rate at which an Option will change based on the change in the stock price and it is usually stated as a percentage. For instance, if a call option has a .50 Delta it basically means that for every 1.00 move in the price of the stock, the option will rise by .50 (theoretically). This tutorial/guide is not for beginners so I am assuming you already know the basics. If not, you might want to check out a book called Trading Options Greeks which is by far the best book I ever read on Options trading. Moving on. 


3. Now a quick look at the contract profile for the TSLA Jun 80.00 calls reveals that the Delta is currently .49. So this means, in theory, that for every 1.00 move in TSLA, the contract should move by .49 cents. At this point, I have to remind you that time decay will also have an impact on how the option contract responds to movement in the stock price. So be mindful of that. But for this exercise, we will assume that only the Delta is important.

 

4. Now that we know that the Delta is .49 and we know that the next support level is at 70.00 we can do some calculations and get closer to an appropriate stop loss level for our trade. So, since we have decided that we want to get out of the trade on a break below the 70.00 level, we are basically saying we are willing to give up/risk ~7.00 (9.11%) per share on the trade. With a delta of .49 that would be 3.43 on the June 80.00 Contract which is now trading at 6.50. Therefore the stop loss will be set at 3.43 initially. 


Of course, this would mean a 52% loss if you got stopped out but, once again, we are just using this as an example for this tutorial. Besides, you would be expected to adjust your stop loss upwards to lock in gains along the way. 


I know that was a lot to soak in at once. So lets summarize the steps for method 2. 


Step 1: Find out where the significant support level is on the underlying stock you are trading and select an Option contract. eg. We said the support level on TSLA was 70.00 and we decided we were trading the Jun 80.00 Calls which cost 6.50. 


Step 2: Find out what is the Delta for the option contract you are trading. eg. We said the Delta was .49 


Step 3: Subtract the price at the support level from the current stock price. eg. 76.76-70.00 = 6.76


Step 4: Multiply the Delta by the result (amount of points/dollars) that you got from the subtraction in step 3. eg. 6.76 x .49= 3.31


Step 5: Subtract the result in step 4 above from the current option contract price. eg. 6.50-3.31= 3.19


Step 6: The result of the Subtraction in Step 5 above is where your stop loss on the Option Contract should be set. Finished.


By using the movement of the underlying stock and the Delta value of the option contract, you are putting your self in a better position to manage the trade as opposed to just setting a random % risk level on the Option Contract by itself ( as in Method 1). 


This second method is not for everyone and it works best for larger accounts and real swing trading ( 1 week minimum holding period) and it works best in strong trending markets. Let me repeat: this method will work much better if you are buying calls in a strong upward trend or puts in a strong downward trend. 

How To Set A Stop For Options Trades