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: Yancoal Australia (YAL.AX)
Stock Exchange: ASXAbout Yancoal Australia (ASX:YAL):
Company: Yancoal Australia
Ticker Codes: | YAL.AX | ASX:YAL |
Yancoal Australia Ltd Engages in the exploration, development, production, and marketing of metallurgical and thermal coal Australia, Singapore, South Korea, China, Japan, Taiwan, and internationally. It owns interests in the Moolarben coal mine located in the Western Coalfields of New South Wales; Stratford and Duralie mines located to the north of Newcastle in the Gloucester Basin; Yarrabee mine located to the northeast of Blackwater in Central Queensland's Bowen Basin; and Middlemount mine located to the north-east of Emerald in Queensland's Bowen Basin. The company was founded in 2004 and is based in Sydney, Australia. Yancoal Australia Ltd is a subsidiary of Yanzhou Coal Mining Company Limited.