We have already talked about VAR and its calculation.Today we will take on the delta approach in a more wider approach along with sources which will help you understand it deeply.

Simple example  of delta for call options, a delta of 0.4 means that whenver there is a increase of $1 in the underlying stock, the call option will increase by $0.40.

For Put it is just the opposite

A delta of 0.4 means that whenever there is a increase of $1 in the underlying stock, the call option will decrease by – $0.40.In-the-money call option nears expiration, it will approach a delta of 1.00, and as an in-the-money put option nears expiration, it will approach a delta of -1.00.It is always positive for long calls and short puts and negative for long puts and short calls.

For understanding the first order delta approach
Download this PDF

http://www.mit.edu/~junpan/ddjpb.pdf

More on delta methods.

http://en.wikipedia.org/wiki/Delta_method

Download spreadsheet for Delta-Gamma Approach (1 asset)
A “Value at Risk” Model – Delta-Gamma Method
For a 1-option portfolio (Global -direvatives.com)

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Editor Review

Stock predictor is a simple software which can be customized according to the type of technical analysis which you want to carry on.It analyze the stock on EOD data basis. Stock Predictor displays data up to Jan 1st, 1994. Historical stock quotes are downloaded from a free internet source (Yahoo), there is no additional data feed charges. The quotes are 20 minutes delayed.You can add suffixes for your country specific feeds.There are about 24 technical indicators supported by the system moving averages, Bollinger Bands and many others.

There is inbuilt Trading history tracker where you can add your trades.Also you can show the commission charges and other stats.There are predefine trading strategies you can customize them according to need.It is very easy to add stock for analyzing also you can easily add strategies to the stock charts along with indicators.

You can test different trading strategies with it.For it you can use “Strategies” tab on the left panel of the window and select one of the strategies in a dropdown list. You can also run statics and compare the performances.You can run more than one strategies in combination.Buy” signals and a different strategy for “Sell’ signals as well as to edit individual strategy parameters.Also you can import data from Ascii coded text file.

Publishers review

Stock Predictor is an advanced stock charting and investment strategy performance analysis software for technical stock traders. It allows to display several technical indicators for a single security on the same chart, maintain predefined lists of securities and backtest your own investment strategies. Stock Predictor has dozens of built-in technical indicators and over five hundred combined investment strategies.Stock Predictor is a tool that allows you to test these trading strategies when applied to historical data, adjust, fine tune them for a particular group of stocks and automate the rules so that your buying and selling decisions are based on an objective trading methodology.

Functions :

1. Plot and print technical historical stock charts
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3. Analyze the performance of trading strategies
4. Give recommendations to buy, hold, avoid or sell security

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