How Delta Creates Profits when Trading Gold
Source: J.W. Jones (8/18/10)
"Delta—another fundamental tenet of option trading."
Δ, Delta—Measures the rate of change of option value with respect to changes in the underlying asset's price.
Delta has a significant impact on the price of an option contract(s). When a trader is long a call contract, Delta will always be positive. Likewise, if an option trader owns a put contract long, Delta will always be negative. As option contracts get closer to the money their Delta increases causing the option contract to rise in value rapidly as the option gets closer to being in the money.
Clearly, Theta has an adverse impact on a trader who is long a single options position (own options long with no hedge or spread), however Delta is extremely dynamic and is one of the major factors directly responsible for option pricing as the price of the underlying changes throughout the trading day.
If an option is deep in the money, the option contract will have a higher Delta and, in general, act similarly to owning the individual stock. For a deep in-the-money GLD call that has a Delta of +.80, the first dollar GLD rises by then the value of the GLD call options increases by roughly $0.80 or $80.
If the delta is 0.80, this essentially means that the GLD call option will increase in value 0.80 ($80) for every $1 that the GLD ETF increases. As the GLD option goes deeper into the money, the Delta will typically rise until it nearly produces the same gains as the GLD ETF—until the delta asymptotically approaches 1.00 and the option moves in lockstep with the underlying. While my next article will continue to help explain Delta, it is important to understand how Delta can enhance a trader's return when trading options with a specific directional bias.
While options exist for the gold futures contract, if I want to trade gold I typically utilize the GLD ETF. The primary reason is because the ETF offers liquid options, which make it easier to initiate spreads and multi-legged orders. If options are thinly traded, the bid ask spread is almost always wide making it more difficult to get a good fill and a good overall price. Most option traders stay away from underlying stocks that have illiquid options.
In order to better illustrate how an options' Delta can create profits, I will use GLD as an example. Keep in mind, I am not advising any traders to buy or sell options naked. I only trade options using strategies that help mitigate various risks to my capital. Theta (time) risk, volatility risk and market risk are not being considered as this is merely an example to illustrate the power of Delta.
Recently, gold and subsequently GLD suffered a pretty significant pullback. GLD broke down through a major horizontal trendline and the daily chart was extremely bearish. Just when a lot of traders were preparing to short GLD, buyers stepped in and pushed GLD's price back above the support area. The following GLD daily chart illustrates the breakdown and subsequent failure—and a powerful rally followed.
Let us assume for contrast that an option trader and an equity trader each want to get long GLD. The equity trader buys 200 shares of GLD at $115/share. Assuming the equity trader does not use margin, the total trade would cost around $23,000 not including commissions. The option trader decides to utilize delta and purchases 5 October 107 calls, which, in our example, cost $900 per contract for a grand total of $4,500 (not including commissions).
We will assume the October 107 calls have a Delta of 1.00. When a call option has a delta of 1.00, it essentially means that the owner of the call is going to get 100% of the move reflected in the premium of the option he/she owns. Thus if GLD increases by $1, the value of the option would increase $1 all things being held constant.
This is where Delta really shines; it shines even brighter than gold in this illustration. Both the equity trader and the option trader have a profit target of $118/share. A few days later GLD reaches $118/share and both traders close their trades with profits. The equity trader made $3/share, which relates to a total gain of $600 or around 2.60%.
The option trader realized roughly 95% of the move, meaning around $2.85 and had five total contracts for a total gain of $1,425 less commissions. The total gain for the options trader was over 31% less commissions.
Keep in mind, the option trader only had $4,500 of maximum risk, while the equity trader was risking over $20,000. The option trader made over 100% more money, while risking only 25% of the total capital required by the equity trader. Behold, the power of Delta!
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J.W. Jones is an independent options trader using multiple forms of analysis to guide his option trading strategies. Jones has an extensive background in portfolio analysis and analytics as well as risk analysis. J.W. strives to reach traders that are missing opportunities trading options and commits to writing content which is not only educational, but entertaining as well. Regular readers will develop the knowledge and skills to trade options competently over time. Jones focuses on writing spreads in situations where risk is clearly defined and high potential returns can be realized.