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Gamma (Greek)

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Gamma downgraded to "sell"
newratings.com  Sep 4  Comment 
LONDON, September 4 (newratings.com) - Analysts at ING Financial Markets downgrade Gamma Holding NV (ticker: GM6) from "hold" to "sell." The 12-month target price is set to €4. [more]
Gamma's Bankruptcy Shows Shift in Photojournalism
New York Times  Aug 10  Comment 
The company that owns the photo agency Gamma sought protection from creditors late last month, offering the latest sign of distress for photojournalism.
Gamma Agency That Captured Paris Uprising Declares Insolvency
Bloomberg  Jul 28  Comment 
Gamma, the French photo agency that captured the uprising in Paris in May 1968, the hostage-taking in Iran in 1979 and the Soviet invasion of Afghanistan, today told the Paris commercial court it can no longer pay its bills.
Gamma upgraded to "hold"
newratings.com  Jul 16  Comment 
LONDON, July 16 (newratings.com) - Analysts at ING Financial Markets upgrade Gamma Holding NV (ticker: GM6) from "sell" to "hold." The target price has been raised from €3 to €4. [more]
Gamma Pharmaceuticals reach Agreement for Retail Market Coverage
China Securities  Jun 23  Comment 
LAS VEGAS, NV -- (Marketwire) -- 06/23/09 -- Gamma Pharmaceuticals Inc. (OTCBB: GMPM) announces an agreement with 360 Distribution, a major distributor in Texas. Gamma estimates a retail market value of approximately $750K in the first year....
The Bucking Gamma Bull
Condor Options  Jan 7  Comment 
We've mentioned before that our preference is to close out short option positions before the dynamics of expiration week have a chance to kick in.  In a nutshell, while it's true that theta declines more quickly as expiration looms, tempting...
Short Gamma May Exacerbate the Rally
Condor Options  Apr 17  Comment 
UPDATE: Adam makes basically the same point here. His comment at the end is that this morning's sustained decline basically sucks the fuel out of any potential gamma fire, which is a good point. Sure, rallies like this are exciting, but on a...
Gamma, and the prudence of early exits
Condor Options  Oct 19  Comment 
Sure, markets fell a tad today. But to us, the "what" of market action is never as interesting as the "why," and given that today was options expiration, we can't help but think of one word: gamma. Adam posted some nice thoughts about gamma...
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Gamma, one of the five greeks used for measuring options risk, measures the rate of change of delta in relation to the change in the price of the underlying asset. It enables the trader to predict how the delta of his position will change based on the movement of the underlying asset.

Mathematically, gamma is the first derivative of delta and is used when trying to gauge the price of an option relative to the amount it is in or out of the money. When the option being measured is deep in or out of the money, gamma is small. When the option is near the money, gamma is largest.

Example

If an option position has a gamma of -15.7, then, all other things remaining the same, a $1 change in the price of the underlying will lead to a 15.7 decrease in the delta of the position.

See also:


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