Options Vega

Options Vega Meaning

7 min read

Options vega is a part of the Greeks in options trading. Vega measures the rate of change in implied volatility for an options contract. It’s a lot like how delta measures change in an options price. Sometimes, reversal rallies bring a large decline in implied volatility. So, while you have a positive delta, the loss of vega could offset the delta gains and negatively impact your profit. You correctly predicted the change in direction, but the Greeks took profits. 

Many moving parts to options can affect profit and loss potential. However, options trading is less expensive than trading shares. This is because you’re paying a premium to control 100 shares instead of paying to own each share.

It’s said that picking the right strike price is the most important part of options trading. That’s probably because 80% of all options contracts expire worthless.

Unless you’re the seller of the option, you’re most likely losing money. The reason for that is you may not be taking things like theta, gamma, and delta into account, as well as the strike price you’ve picked.

However, looking at things like open interest and volume, among other things, helps with making the right decision. Options are wasting assets because they expire.

Time only moves forward. Hence, with each passing day, you’re giving some profit to the seller of the option. Picking an out-of-the-money strike price ensures you want volatility that makes the stock move in your favor.

If you’ve bought calls, then the vega will be positive. If you’re buying or selling puts, the vega will be negative. At the money options, whether calls or puts, will have the highest vega because they’ll get the most benefit from volatility

Study and Practice

To new options traders, options vega can be confusing. All the different components of options trading can be. This is why paper trading options are so important.

Let’s say you’ve gotten good at finding support and resistance. You believe the stock you’re looking at has found support, so you buy a call. If you’ve given yourself enough time, the delta could influence the options price for a positive gain.

If support is, in fact, strong, it stands to reason that the stock will move up from there. However, you could lose if vega wasn’t factored into that trade.

If you study how the Greeks affect profits and then apply that in a paper trading account, you’ll go a long way in protecting yourself and your brokerage account.

There are many different options trading strategies. They allow you to make money in any market. Even sideways markets. As a result, while other traders are sitting on their hands waiting for the market to choose a direction, you can be making money.

Becoming a good options trader doesn’t happen overnight. However, taking the time to learn and practice will allow you to make great returns on investments without putting up a lot of capital. 

Options Vega Example

Why Is Options Vega Highest ATM?

Vega tells us an option’s sensitivity to implied volatility. Implied volatility is the premium (extrinsic value) paid for the option, hence why options Vega is highest at the money.

Positive Call Options for Vega

The vega of an option represents the sensitivity of its price to changes in implied volatility. In other words, it measures how the cost of an option might change when volatility levels fluctuate. When it comes to call options, vega is always positive. This is because call options increase in value when the volatility of the underlying asset increases and decrease in value when the volatility decreases. Furthermore, option holders will pay higher premiums to those with higher Vega values because they expect to profit if volatility increases.

Increasing volatility increases the likelihood of the option expiring in the money and, therefore, a profit. Call options benefit from higher volatility, so their vega value is positive.

What Does a Higher Vega Mean?

A higher Vega implies that the option’s price is more sensitive to changes in implied volatility. In other words, a higher OV suggests that the option’s price will increase more significantly when volatility rises and decrease more significantly when volatility falls.

Here are a few key points to understand about a higher Vega:

1. Greater Price Sensitivity

Options with higher Vega values will experience larger price changes when implied volatility changes than options with lower Vega values. This means that a small increase in implied volatility will result in a more substantial increase in the option’s price. In contrast, a decrease in implied volatility will lead to a sharper decline in the option’s price.

2. Higher Premiums

Options with higher Vega values tend to have higher premiums because option buyers are willing to pay more to profit from increases in implied volatility. Additionally, higher vega means there’s a greater chance its price will change significantly due to changes in volatility. Hence, this makes the option more valuable.

3. Volatility Expectations

A higher Vega could mean that market participants expect the volatility to increase in the future. Investors and traders predict that significant news or events may impact the underlying asset’s price. This could result in higher volatility expectations and higher Vega values for options tied to that asset.

TradeStation ThinkorSwim Logo Tastytrade Logo
DESCRIPTION Experience TradeStation's professional-grade options trading platform, built for serious traders seeking value and power ThinkorSwim is for more advanced options traders. It features elite tools and lets you monitor the market, plan your strategy, and implement it in one convenient, easy-to-use, integrated place Trade options on stocks, ETFs, and broad-based indices. Trade equity and ETF options online for $1.00 per contract opening commission and $0 commission to close, capped at $10.00 per leg

A Word of Caution

It’s essential to consider vega in conjunction with other options Greeks and factors such as time to expiration, the option’s strike price, and the underlying asset’s price. Vega alone cannot predict the direction of an option’s price movement but provides insight into the potential impact of changes in implied volatility.

Key Takeaways

  • Vega is the Greek that measures how the price of an option might change when volatility levels fluctuate
  • A higher Vega implies that the option’s price is more sensitive to changes in implied volatility.
  • Increasing volatility leads to an increase in the likelihood of the option expiring in the money.
  • Options with higher Vega values tend to have higher premiums
  • OV for a call option is always positive
  • OV alone cannot predict the direction of an option’s price movement

Final Thoughts: Options Vega

Options Vega measures a price’s change when implied volatility changes and IV is important when selling options. Understanding how Vega can affect a trade is important when strategies can look the same based on delta. Understanding how the Greeks work can help to alleviate pain when it comes to trading options.

If you need more help, take our options trading course.

Frequently Asked Questions

A high vega value means that the option's contract price will be more sensitive to changes in volatility. A low vega means that the options contract price will be less sensitive to changes in volatility.

The vega of an options portfolio is calculated by adding up the vegas of each position. The vega on short orders would be subtracted by the vega positions on long orders.

When it has a higher Vega, an option's price is more affected by changes in implied volatility.

The highest vega is on options contracts that are long-term. They are more expensive to purchase due to time value. The 1% change in implied volatility represents a higher dollar of that premium.

Because call options increase in value when the volatility of the underlying asset increases.

Related Articles

Options Trading Levels

Options Trading Levels

What are options trading levels? Brokers implement levels on new trading accounts to protect new traders. Options allow you to trade big-name stocks with less

Read More »


If you’ve looked for trading education elsewhere then you’ll notice that it can be very costly.

We are opposed to charging ridiculous amounts to access experience and quality information. 

That being said, our website is a great resource for traders or investors of all levels to learn about day trading stocks, futures, and options. Swing trading too! 

On our site, you will find thousands of dollars worth of free online trading courses, tutorials, and reviews.

We put all of the tools available to traders to the test and give you first-hand experience in stock trading you won’t find elsewhere.

Our content is packed with the essential knowledge that’s needed to help you to become a successful trader.

It’s important to treat day trading stocks, options, futures, and swing trading like you would with getting a professional degree, a new trade, or starting any new career.

Invest the proper time into your Trading Education and don’t try to run before you learn to crawl. Trading stocks is not a get-rich-quick scheme. It’s not gambling either, though there are people who treat it this way. Don’t be that person! 


The Bullish Bears team focuses on keeping things as simple as possible in our online trading courses and chat rooms. We provide our members with courses of all different trading levels and topics.

If you’re a beginner, intermediate level, or looking for expert trading knowledge…we’ve got you covered. 

We have a basic stock trading course, swing trading course, 2 day trading courses, 2 options courses, 2 candlesticks courses, and broker courses to help you get started. Free.

Just choose the course level that you’re most interested in and get started on the right path now. Become a leader, not a follower. When you’re ready you can join our chat rooms and access our Next Level training library. No rush. We’re here to help.

Click Here to take our free courses.