What are call options and put options


A call optionoften simply labeled a "call", is a financial contract between two parties, what are call options and put options buyer and the seller of this type of option. The seller or "writer" is obligated to sell the commodity or financial instrument to the buyer if the buyer so decides.

The buyer pays a fee called a premium for this right. The term "call" comes from the fact that the owner has the right to "call the stock away" from the seller. Option values vary with the value of the underlying instrument over time. The price of the call contract must reflect the "likelihood" or chance of the call finishing in-the-money.

The call contract price generally will be higher when the contract has more time to expire except in cases when a significant dividend is present and when the underlying financial instrument shows more volatility. Determining this value is one of the central functions of financial mathematics. The most common method used is the Black—Scholes formula. Importantly, the Black-Scholes formula provides an estimate of the price of European-style options.

Adjustment to Call Option: When a call option is in-the-money i. Some of them are as follows:. Similarly if the buyer is making loss on his position i. Trading options involves a constant monitoring of the option value, which is affected by the following factors:. Moreover, the dependence of the option value to price, volatility and time is not linear — which makes the analysis even more complex. From Wikipedia, the free encyclopedia. This article is about financial options.

For call options in general, see Option law. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. October What are call options and put options how and when to remove this template message.

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B Fisher, a famous American professor of trend trading. Among most investors who had applied it to their trading system, their profits proved its effectiveness. Now we only care about the pivot range in this system to combine with the ACD rules to forecast the formation of price trend as well as mood and atmosphere of the market, providing investors with reference entry and exit points.