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# Time value of an option in the money

Note: Intrinsic value arises when an option gets in the money. This should make the above concepts more tangible. Through this presentation, we are making the assumption for simplification that implied volatility levels remain unchanged and the underlying asset is stationary.

This helps us to isolate the behavior of time value. The importance of time value and time-value decay should thus become much clearer.

## The Importance of Time Value in Options Trading

Assume the date is February 8. If we compare the prices of each option at a certain moment in time, each with different expiration dates February, March, and Aprilthe phenomenon of time-value decay becomes evident.

### How the Calculate the Extrinsic Value of Options (Time Value) MUST KNOW

We can witness how the passage of time changes the value of the options. As the figure below shows, the highest premium is at the day interval remember prices are from February 8declining from there as we move to the options that are closer to expiration 33 days and five days.

Again, we are simply taking different prices at one point in time for an at-the-option strikeand comparing them.

The fewer days remaining translates into less time value. One important dynamic of time-value decay is that the rate is not constant. As expiration nears, the rate of time-value decay theta increases not shown here.

If the result is less than zero, the option doesn't have intrinsic value, which means the premium of the option is all time value. Conversely, intrinsic value of a put option is calculated by [strike price - current stock price]. Time value is a price of an expectation that an underlying stock price might move favorably and bring a value to the option in the future. The longer the time to exercise, the higher the chance of this occurring, and thus the higher the time value.

This means that the amount of time premium disappearing from the option's price per day is greater with each passing day. In the last month of the life of an option, theta increases sharply, and the days required for a 1-point decline in premium falls rapidly.

At five days remaining until expiration, the option is losing 1 point in just less than half a day 0. This means that the premium will decline by approximately 2. Of course, the rate increases even more in the final day of trading, which we do not show here.

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Glossary What does time value of options depend on? There are more factors influencing time value of an option. Among the most important are time to expiration, interest rates, and moneyness — or whether an option is in the money, at the money, or out of the moneyand how far. This article deals with the last factor mentioned. The worst case scenario is that you will be holding the option until expiration and the option will expire worthless.

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Commodity Futures Trading Commission. Accessed Apr.