Tag Archives: vega

## Greeks Spreadsheet Showing the Impact of Time to Expiration, Volatility and Stock Price Change on Option Value

Covered call writing and selling cash-secured puts involve both buying and selling of call and put options. We are dealing with two types of options as well as utilizing both long and short positions of each. When we factor in the major Greeks, it is important to understand the relationship between time to expiration, stock […]

## Comparing Implied Volatility and Historical Volatility During Earnings Season

When selecting stocks and options for covered call writing and put-selling we factor in volatility, both implied and historical. Historical Volatility (HV) is the actual volatility of a security over a given time period. HV is calculated by determining the average deviation from the average price based on one standard deviation (expected to be accurate 67% of the time).  Implied volatility (IV) is […]

## A Review of Volatility and its Impact on Option-Selling

When we write covered calls or cash-secured puts, we are selling volatility. The time value component of a short-term option premium reflects the amount of time until expiration plus the volatility of the underlying security. Since most of us are comparing options with similar expirations, the volatility of the stock or exchange-traded fund represents the […]

## Calculating the Greeks Using an Options Calculator

The Greeks are a mathematical means of estimating the risk of stock options. Delta measures the change in the option price due to a change in the stock price, Gamma measures the change in the option delta due to a change in the stock price, Theta measures the change in the option price due to […]

## How To Use Implied Volatility In Our Covered Call Writing Decisions

Understanding the Greeks, or factors that impact the value of our covered call premiums, is essential to mastering options trading basics and becoming an elite covered call writer. One of the Greeks (although not truly a Greek letter) is Vega, the amount an option price will change for every 1% change in volatility. As the […]

## Vega: An Option Greek And How It Impacts Our Option Pemiums

Covered call writing generates monthly cash flow by selling short-term options. The main factor in determining the amount of this premium is the implied volatility (IV) of the underlying security. The effect that IV has on the premium is known as vega, one of the option Greeks. What is vega? Vega is the expected change in […]

## Greeks: Factors that Influence our Covered Call Premiums

We have all heard the term “the Greeks” as it applies to stock options. Most of us know that these factors somehow explain how certain parameters can impact the value of an option premium. To avoid facing some members of the BCI community claiming that “this is all Greek to me”, this article will serve as […]