VIX - CBOE Volatility Index

Categories: Derivatives, Metrics

A measure of market volatility, commonly used to calculate the values of stock options.

You’d think it’d be a measure of political arguments at Thanksgiving, right? But it’s not. Even if it should be.

The Volatility Index, or VIX (no relation to the Vapo Rub), is a measure of "market volatility," using sophisticated statistical measures. But, in essence, the VIX is a reflection of expected options volatility, because the elements that comprise it come from current market prices of options on a variety of indices. That is, things like calls on NASDAQ's changes, ticker: QQQQ, puts on the Russell 2000, etc...way out-of-the-money calls and puts on the S&P 500. Stuff like that.

The VIX was created in 1993 by the Chicago Board of Options Exchange to make the management of hedging all the more liquid, easy, and, well…lucrative. The easier the indices are to use, the more liquid the system and the more options contracts that get traded.

So…more money for everyone, right? Um, yeah. Not so much. More money for professional options traders. Less money for cardiologists trying to be smarter than Goldman Sachs’ finest.

The backdrop here is that the VIX is the key driver in the pricing of options. That is, the more volatile the market, the more valuable options become in hedging positions, i.e. playing investment defense. Why do they become more valuable? Take a stock trading at $40, with modest volatility, such that, in the last year, it has traded as high as $45 and as low as $35. A call option with a strike price of $47.50 would probably be pretty cheap. And remember that a stock price is kind of like a floating piece of cork in the ocean that has absorbed a lot of water. That is, in a calm sea, the cork can drop a couple feet in the water and a fish can pop it up into the air a few feet, and it will kind of trade on its own. But in rough seas, i.e. a volatile overall market, that cork will not only go up and down the 2 feet it travels on its own, but will be market-multiplied by some meaningful factor.

So if you take this very modestly volatile stock, and then place it in a high-VIX market volatile environment...all of a sudden, the odds that that stock could trade above $47.50 for some period of time, making that option more than worth a penny or two, suddenly gets very real, and the pricing of those options immediately adjusts to that climate.

So think about the VIX as the ocean, because it represents the overall volatility of the market itself. It then plays into the pricing of options, or pieces of cork, floating in the waves.

Related or Semi-related Video

Finance: What is the Volatility Index (V...2 Views

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and finance Allah shmoop What is the volatility index or

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Vicks No it's not this stuff not put that on

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your equity trading sheet It just makes a mess and

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little smells bad And no it's not a pre moistened

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add either The volatility index Our vics is a measure

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of quote market volatility unquote using sophisticated statistical measures But

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in essence the vics is a reflection of expected options

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Volatility like it kind of trades like a stock because

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the elements that comprise it come from current market prices

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of options on a variety of indices So what does

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that mean in English again What the vics comes from

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things like Calls on Nasdaq puts on the Russell 2000

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way out of the money calls inputs on the S

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and P 500 That air long dated you know stuff

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like that Well the vics was created in 1993 by

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the CBO your Chicago Board of Options Exchange to make

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the management of hedging all the more liquid easy and

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well lucrative the easier the indices are to use while

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the more liquid the system and the more options contracts

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then that get traded and the more commissions than that

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Get aid So more money for everyone right Then again

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not so much more money for professional options traders Less

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money for cardiologists trying to be smarter than the $1,000,000

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a week Goldman Sachs people The backdrop here is that

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the fixes the key driver in the pricing of options

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That is the more volatile the market the more valuable

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options become both in hedging positions i e Playing investment

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defense and in simply trading options When things are volatile

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there exists more risk more money to be made more

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money to be lost That happens So why do options

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become more valuable when they're volatility is higher We'll take

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a stock and 40 bucks a share with modest volatilities

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such that in the last year it's traded as high

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as 45 bucks a share in its low is 35

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bucks a share A call option with a strike price

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of college 47 50 would probably be pretty cheap if

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it were bought when the stock was trading close to

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35 it had an 045 months to expire And this

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makes sense because the stock would have to go up

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over 12 and 1/2 dollars for that option to be

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at all in the money Remember that a stock prices

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and kind of like a floating piece of cork in

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the ocean It's absorbed a lot of water that is

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in a calm sea The court can drop a couple

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of feet in the water and a fish can pop

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it up in the air a few feet and a

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little kind of trade on its own But in rough

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seas idea Volatile overall market Well that cork will not

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only go up and down the two feet it travels

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on its own but will be market multiplied by some

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meaningful factor of the ocean tides going a 14 feet

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up here and then 14 feet down Yeah so if

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you take this very modestly volatile stock and then place

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it in ah hi Vicks market volatile environment Well all

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of a sudden the odds that that stock could trade

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above 47 50 for some period of time before it

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expires making the option worth more than a penny or

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two Well then that risk suddenly gets very riel and

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the pricing of those options immediately reflect that risk or

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that positive upside of making money on the call options

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you bought That is one can imagine that in a

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market that upper down three or 4% per day idea

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very volatile market Hello late 19 nineties The market gets

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on a roll and the entire market goes up then

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20% in a few quarters That's the entire market including

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boring stocks like G and T and stuff like that

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Well that long dated option you bought for a dime

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when the stock was trading at 38 12 with the

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strike price of 47 50 will just based on the

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overall market going up 20% And in this particular stock

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having a good quarter could make it trade for 50

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bucks a share Putting that option $2.50 in the money

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and giving you a 25 x return on the dime

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per option investment that you made and about five months

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earlier So yeah I think about the fixes the ocean

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because it represents the overall volatility of the market itself

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It then plays into the pricing of options or pieces

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of cork floating in the waves And yeah that's the

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vics Apply liberally to your problem areas

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