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Options University’s Options 101 - Part 9

Filed Under Options 101 

Options 101
Part 9
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Okay, let’s try the next call on the list in Table 1-1, which is the 05 Jul 35 call (notice that the strikes are in $2.50 increments since eBay is below $50, which is in agreement with what we stated earlier). If you buy this call option, you have the right, not the obligation, to buy 100 shares of eBay for $35 per share through the third Friday in July ‘05. Since eBay is trading for $37.11, we know that anybody holding this option has an immediate advantage of $37.11 - $35 = $2.11 by buying this call and we now know that this advantage must be reflected in the price. You can verify that the asking price is $2.70, which shows the apparently free $2.11 benefit is not free. Again, the reason traders will pay more than the $2.11 benefit is because there is time remaining on the option and it certainly could end up with more value. If you want to buy this contract, it will cost you $2.70 * 100 shares = $270 per contract + commissions. If you buy two contracts, you will control 200 shares and that will cost $540 and so on.
 
While we’re talking about the prices in Table 1-1, let’s delve into what the rest of the columns mean. The LAST SALE column records the price of the last trade of the option. Option traders rarely look at this, since that price could have occurred during the last minute but it also could have been last week. We don’t know when that trade took place. We just know that was the price when it last traded. For stock traders, the last sale will generally be very close to the bid and ask of the stock, because optionable stocks generally have high volume — but that is not necessarily true for their options. In Table 1-1, you can see that the last trade on eBay was $37.11 with the bid at $37.10 and the asking price at $37.11. The last sale for the stock is very close to the current bid and ask, which will usually be the case. But notice that the last trade for the $32.50 call was $4.40 with the bid and ask at $4.70 to $4.90. This shows that the last trade is somewhat stale; that’s why option traders generally do not look at the last trade. If you were buying this option, the last sale would lead you to believe that it would cost $4.40 when it would really cost $4.90. If you were selling the option, the last sale may make you decide against it since it appears you would only receive $4.40 when, in actuality, you get $4.70.
 
The NET column shows the net change between prices for the two most recent trades just as it does for stocks. For the July $32.50 call, the last trade was $4.40 and that price was down $1.20 from its previous price, which means the previous trade was $4.40 + $1.20 = $5.60. If this option traded at $5.60 and the next trade was at $4.40 then that represents a $1.20 drop in price, which is what the NET column shows. Again, the reason for the apparent big drop in price is because there was a big time delay between those two trades.
 
The VOL column shows us the volume, which is simply the number of contracts traded that day. For the stock market, volume refers to the number of shares traded; for the options market, it refers to the number of contracts but the idea is the same. The OPEN INT column shows how many contracts are currently in existence, which is called the “open interest.” We’ll find out more about open interest in Chapter Four.
 
Understanding a Real Put Option
Now that we’ve looked at a couple of call options, let’s take a look at some real put options. In Table 1-1, what does the 05 Jul 32.50 put option represent? If you buy this put, you have the right to sell 100 shares of eBay for $32.50 per share through the third Friday of July ’05. For that right, you would have to pay 0.20 * 100 = $20 plus commissions. No matter how low a price eBay might be trading, you are guaranteed to get $32.50 if you exercise this put option to sell your shares. Remember, you do not need to own the shares of stock to buy a put. By purchasing this put, you have the right to sell shares for $32.50 and somebody else will be very willing to buy this from you if eBay falls below $32.50. By purchasing the put, you’re banking on eBay’s price falling. If you think the price of eBay will fall, you can buy the put and then sell it to someone else, thus capturing a profit without ever having the shares to sell. Notice that with this option, there is no immediate benefit in owning the $32.50 put. If you owned shares of eBay and wanted to sell, you’d just sell the shares in the open market for $37.11. Once again, the reason there is any value to this $32.50 put at all is because there is time remaining and it may end up with a lot more value if eBay’s price falls. Traders are willing to pay for that time.
 
Let’s try the next one on the list, the July $37.50 put. If you buy this put, you have the right to sell 100 shares of eBay for $37.50 per share through the third Friday of July ’05. Now this put does appear to have an immediate value since we could sell the stock for a higher price than it is currently trading. It appears that if we buy this put, we could buy the shares for $37.11 and immediately use the put option and collect $37.50 for an immediate guaranteed profit of 39 cents. As with our call option examples, any immediate benefit must be paid for, and we can verify that by observing the 50-cent asking price. In other words, you’re paying 50 cents for that 39-cent benefit. The market is willing to pay more than the immediate benefit since there is time remaining on the option. You cannot use options, whether calls or puts, to collect “free money.”
 
Key Concepts
1)      The price of an option is called the premium.
2)      The “ask” price tells us how much we have to pay for an option. The “bid” price tells us how much we can sell it for.
3)      To find the total price for one option contract, multiply the bid or ask by 100.
4)      The last day to trade an option is the third Friday of the expiration month.
 
 
Intrinsic Values and Time Values
In the previous section, we found out that some options have an “immediate value” or “immediate benefit” at the time they are purchased while others do not. It’s time now to introduce some more terminology that will help you understand why.
 
We discovered that an option’s price must reflect any immediate value in holding it. For instance, we found that the July $35 call could give a trader an immediate benefit of $2.11 since the stock is trading for $37.11. If the stock is trading for $37.11 and you have a call that gives you the right to buy the stock for $35, you’re better off with the call by $37.11 - $35 = $2.11. That $2.11 worth of immediate benefit must be reflected in the price, and we see that it is since that call is priced higher at $2.70. In option lingo, we’d say that the $35 call has $2.11 worth of intrinsic value. It will really help if you learn to substitute the words “immediate benefit” or “immediate value” for intrinsic value. If the stock is trading for $37.11, we know the $35 call must be worth at least $2.11 in the open market. In other words, options must be worth at least their intrinsic value.
 
If there is any value in the option over and above this amount, it is called time value or time premium. (Some texts will also refer to this as extrinsic value.) The time value is due to the fact that there is still time remaining on the option. Since the July $35 call was trading for $2.70 and the intrinsic value is $2.11 then the time value must be $2.70 - $2.11 = 59 cents.
 
 
To be continued….

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