### How to Calculate Stock Basis for Exercised Options | Pocketsense

One put option is for shares, so the cost of one contract is times the quoted price. For example, a stock has a current stock price of $ A put with a $30 strike price is quoted at $ It would cost $ plus commission to buy the put. The premium is five, so this investor purchased the option for $ (5 × shares per option); therefore, you enter that value in the Money Out side of the options chart. According to the chart, the maximum loss (the most this investor can lose) is $ Jun 22, · How Stock Splits Affect Cost Basis. You can calculate your cost basis per share in two ways: Take the original investment amount ($10,) and divide it by the new number of shares you hold (2, shares) to arrive at the new per share cost basis ($10,/2,=$).

### Long call calculator: Purchase call options

The time component of an option decays exponentially. The actual derivation of the time value of an option is a fairly complex equation.

As a general rule, an option will lose one-third of its value during the first half of its life and two-thirds during the second half of its life. This is an important concept for securities investors because the closer you get to expiration, **calculate cost of stock options**, the more of a move in the underlying security is needed to impact the price of the option.

Time value is often referred to as extrinsic value. For stocks not expected to move much, the option's time value will be relatively low. The opposite is true for more volatile stocks or those with a high betadue primarily to the uncertainty of the price of the stock before the option expires. It shows the trading price of GE, several strike prices, and the intrinsic and time values for the call and put options.

General Electric is considered a stock with low volatility with a beta of 0. AMZN is a much more volatile stock with a beta of 3. Compare the GE 35 call option with nine months to expiration with the AMZN 40 call option with nine months to expiration.

Figure 2: Amazon. Basically, when the market believes a stock will be very volatile, the time value of the option rises. On the other hand, when the market believes a stock will be less volatile, the time value of the option falls. The effect of volatility is mostly subjective and difficult to quantify.

When investors look at volatility in the past, it is called either historical volatility or statistical volatility. *Calculate cost of stock options* volatility looks back in time to show how volatile the market has been. Implied volatility is what is implied by the current market prices and is used with theoretical models.

Implied volatility measures what options traders expect future volatility will be. **Calculate cost of stock options** such, *calculate cost of stock options*, implied volatility is an indicator of the current sentiment of the market. The Bottom Line A stock investor who is interested in using options to capture a potential move in a stock must understand how options are priced.

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### How to Figure Out Cost Basis on a Stock Investment

One put option is for shares, so the cost of one contract is times the quoted price. For example, a stock has a current stock price of $ A put with a $30 strike price is quoted at $ It would cost $ plus commission to buy the put. The premium is five, so this investor purchased the option for $ (5 × shares per option); therefore, you enter that value in the Money Out side of the options chart. According to the chart, the maximum loss (the most this investor can lose) is $ Jun 22, · How Stock Splits Affect Cost Basis. You can calculate your cost basis per share in two ways: Take the original investment amount ($10,) and divide it by the new number of shares you hold (2, shares) to arrive at the new per share cost basis ($10,/2,=$).