Support is one of the key concepts of technical analysis. Support is defined as a price level at which the activity of asset buyers is quite significant to prevent the further sale and decrease in its price.

Technical indicators are the inseparable part of technical analysis. Their aim is to predict the direction of the market to help a trader. There is a great number of indicators used by traders for determining the market movement. Some traders prefer to use those indicators which have proved to be efficient in trading in the past, while others try using new indicators. Bill Williams’ indicators, Oscillators, Trend and Volume indicators may serve as examples.

The simultaneous purchase or sale of a basket of securities, combined in a portfolio based on some criteria.

Supply refers to the amount of an asset that is available while demand is the quantity of an asset that people are willing to buy.