Time Decay

Time decay, also known as theta, is defined as the rate by which an option’s value erodes into expiration. The value of the option over sameness to the stock is called extrinsic value.

Since an election is a depreciating asset, meaning it has a limited life, the extrinsic value in the option will wither away quotidian until expiration. This “decay” is not a linear function meaning it is not equally distributed between all of the days to expiration.

As the option gets closer to expiration, the daily rate of decay increases and continues to increase daily until expiration of the option. At expiration, all options in the expiration month, calls and puts, in-the-money and out-of-the-money must be completely devoid of extrinsic worth as noted in th! e time value decay charts in the world of the departed.

As more time goes by, the options extrinsic value decreases. Again, it is important to note that the rate of this decrease is not linear, meaning not extenuate and even throughout the life of the option contract. An option contract starts melting the decay curve increasing when the option has near to 45 days to expiration. It increases rapidly again at about 30 days out and really starts losing its value in the last two weeks before expiration.

This is like a boulder rolling down a hill. The further it goes down the hill, the more steam it picks up until the hill ends.

By selling the choice and owning the garner, the covered call seller captures the extrinsic value in the selection by holding the short call until expiration.

As mentioned earlier, an option’s loss of extrinsic prize over its life is called time decay. In the covered call strategy the choice’s time decay works to the s! eller’s advantage in that the more that time goes by, th! e more t he extrinsic value decreases.

Key Point - The covered call strategy provides the investor with another opportunity to gain income from a long stock station. The tactics not only produces gains when the stock exchange of commoditiess up, but also provides above average gains in a stagnant period, while offsetting losses when the stock declines in price.

We have now seen how a covered call strategy is constructed and how it is supposed to work. Keep in mind that the trade can be entered into in two ways. You can either sell calls for stock you already own (Covered Call) or you can buy stock and sell calls against them at the same time (Buy Write).

Example 1

You own 1000 shares of Oracle at $9.50.

The stock has been stuck around this level for a long time now and you have grown impatient. You finally give in and sell the face month (November for example) at-the-money calls. The at-the-money calls would have a strike estimation of $10 if the stock w! as mercantile at $9.50.

You sell the calls at a $.50 premium per catch which creates a $10.50 breakeven period. Remember, in a buy-write, the breakeven point is the strike price plus the choice premium. Let’s look at what our returns will be in each of the three scenarios.

About creator:
Ron Ianieri is a professional options dealer, prior floor exchanger, and market maker on the PHLx options exchange. As co-founder of the Options University, Ron teaches hundreds of aspiring options traders from all over the world how to trade options ‘the right way’. Click here to learn more: optionsuniversity.com

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