The purpose of the Bollinger Bands is to provide a relative definition of high and low. By definition prices are high at the upper band and low at the lower band. This definition can aid in rigorous pattern recognition and is useful in comparing price action of the action of indicators to arrive at systematic trading decision.
Calculation: Bollinger Bands:
1) Middle Band = 20-day simple moving average (SMA);
2) Upper Band = 20-day SMA + (20-day standard deviation of price x 2);
3) Lower Band = 20-day SMA - (20-day standard deviation of price x 2);
PROFILE: Rio Tinto (RIO.AX)
Stock Exchange: ASX
Company: Rio Tinto
Ticker Codes: | RIO.AX | ASX:RIO |
Rio Tinto Limited engages in finding, mining, and processing mineral resources primarily in Australia and North America. It offers aluminum, copper, diamonds, gold, borates, titanium dioxide, salt, iron ore, thermal and metallurgical coal, uranium, silver, molybdenum, sulphuric acid, rhenium, lead carbonate, selenium, ductile iron, steel billets, metal powders, and zircon. The company also operates in Asia, Europe, Africa, and South America. Rio Tinto Limited was incorporated in 1959 and is headquartered in Melbourne, Australia.
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