Forex encyclopedia

Parabolic SAR is the technical indicator developed by Welles Wilder for analyzing trend movements. The first time it was announced in a famous book “ New Concepts in Technical Trading Systems” published in 1976. SAR stands for as “stop and reverse”. Parabolic SAR is one of a few indicators that signalize about closing of positions. In many respects Parabolic is similar to a moving average with the only difference that SAR can change position against price. Under ascending tendency, the indicator is drawn under prices (candles, bars), under descending tendency it is put above prices. When price crosses Parabolic line, reversal of the indicator takes place.

The indicator showing the number of work positions emerged for a month in the USA without account of farm positions is called Nonfarm Payrolls. Farming has too heavy season fluctuations, therefore, it was removed from structure of the present indicator to make the result smoother and more indicating. Payroll represents statement for accruing wages to American hired men. This information is submitted to the US Bureau of Labor Statistics which then published it in the monthly employment situation summary in the USA. This report is issued on the first Friday of each month, at 08:30 EST (New York). The information is collected by state agencies from more than 400 000 non-farm enterprises. It is almost 40% of all existing work positions in the country. This statistics includes new work places created in such branches as construction, transport, real estate, finance, mining industry, trade, services etc.