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Posted: Wed 16:55, 04 Sep 2013 Post subject: barbour uk outlet The Importance Of Volatility |
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Volatility is defined as the [link widoczny dla zalogowanych] degree to which the price of a stock or other underlying instrument tends to move or fluctuate over a period of time.
Implied Volatility is a value derived from the option's price. It indicated what the market's perception of the volatility of the stock or underlying will be during the future [link widoczny dla zalogowanych] life of the contract.
A stock that has a wide trading range (moved around a lot) is said to have a high volatility. A stock that has a narrow trading range (does not move around much) is said to have a low volatility.
The importance of volatility is that it has the [link widoczny dla zalogowanych] single biggest effect of the amount of extrinsic value in an option's price. When volatility goes up (increases), the extrinsic value of both the calls and the puts increase. This makes all the option prices more expensive. When volatility goes down (decreases), the extrinsic value of both the calls and the puts decrease. This makes all of the option prices less expensive.
As stated earlier, a call option is a contract between two parties [link widoczny dla zalogowanych] (a buyer and a seller) whereby the buyer acquires the right, but not the obligation, to purchase a specified stock or other underlying instrument, at a predetermined price on or prior to a specified date.
The seller of a call option assumes the obligation of delivering the stock or other underlying instrument to the buyer should the [link widoczny dla zalogowanych] buyer wish to exercise his option.
The call is known as a long instrument, which means the buyer profits from the stock going up, and the seller hopes the stock goes down or remains the same. For the buyer to profit, the stock must move above the strike price plus the amount of money spent to purchase the option.
This point is known as the breakeven point and is calculated by adding the strike price of the call to its premium. While the buyer hopes the stock price exceeds this point, the seller hopes that the stock stays below the [link widoczny dla zalogowanych] breakeven point.
The buyer of the call has limited risk and unlimited potential gain. His risk is limited only to the amount of [link widoczny dla zalogowanych] money he spent in purchasing the call. His unlimited potential gain comes from the stock's upside growth potential.
The seller, on the other hand, has limited potential gain and unlimited potential loss. The seller can only gain what he was paid for the call. His unlimited risk comes from the stock price's ability to rise during the life of the [link widoczny dla zalogowanych] contract.
The seller is responsible for delivering the stock to the buyer at the strike price regardless of the present market price of the stock. This is why the seller receives premium for the sale. It is compensation for taking on this risk.
For example, if a seller sold the MSFT January 65 call for $2.00, he is giving the buyer the right to buy 100 shares (per contract) of MSFT from him [link widoczny dla zalogowanych] for $65.00 per share at any time until the option expires.
If MSFT rallies and trades up [link widoczny dla zalogowanych] to $75.00, the seller would realize a $10.00 loss less the amount he received for [link widoczny dla zalogowanych] the sale of the option ($2.00). Meanwhile, the buyer would realize a $10.00 profit less the amount he paid for the option ($2.00).
If MSFT were to trade down to $55.00, the seller would realize a $2.00 profit (the amount of money he was paid from the buyer). Meanwhile, the buyer would only lose what he [link widoczny dla zalogowanych] paid for the option ($2.00).
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Posted: Fri 13:00, 06 Sep 2013 Post subject: |
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