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Explanation to Bollinger's Bands

Bollinger Bands was created by John Bollinger in the early 1980s, its purpose is to define price action relative to the assets highs and lows. This technical indicator is used to identify buy and sell signals and has proven very well in doing so.

Bollinger Bands consist of a set of three curves drawn in relation to securities prices. The middle band is a measure of the intermediate-term trend, usually a simple moving average, that serves as the base for the upper and lower bands. The interval between the upper and lower bands and the middle band is determined by volatility, typically the standard deviation of the same data that were used for the average. StockInvest.us uses Bollingers suggested 20 day average.

Middle Bollinger Band = 20-period simple moving average
Upper Bollinger Band = Middle Bollinger Band + 2 * 20-period standard deviation
Lower Bollinger Band = Middle Bollinger Band - 2 * 20-period standard deviation

BandWidth defines the current width of the band.
%b defines the current position within the band.

BandWidth = (Upper Bollinger Band - Lower Bollinger Band) / Middle Bollinger Band
%b = (Last - Lower Bollinger Band) / (Upper Bollinger Band - Lower Bollinger Band)

Live Samples:

Bollinger Bottleneck Buy Pattern 1
Bollinger Bottleneck Buy Pattern 2
Bollinger Bottleneck Sell Pattern

Bottlenecks in bandwidth indicate an upcoming change. Break up through the moving average line or continuous movements above the moving average line indicate a break up, and vice versa.

Source: http://www.bollingerbands.com

RSI low/high Values: [ 20 - 80 ]
* StockInvest.us uses dynamically calculated RSI max/min levels to determine when stock is oversold or overbought based on historical behavior.
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FAQ

What is the symbol for Wanjia Group Holdings Limited Stock and on which exchange is it traded?
The symbol for Wanjia Group Holdings Limited is 0401.HK and it is traded on the HKEX (Hong Kong Stock Exchange).

Should I buy or sell Wanjia Group Holdings Limited Stock?
Wanjia Group Holdings Limited holds several negative signals and this should be a sell candidate, but due to the general chance for a turnaround situation it should be considered as a hold candidate (hold or accumulate) in this position whilst awaiting further development.

How to buy Wanjia Group Holdings Limited Stock?
Wanjia Group Holdings Limited Stock can be purchased through just about any brokerage firm, including online brokerage services.
Click here for our free guide on how to buy Wanjia Group Holdings Limited Stock.

What's the current price of Wanjia Group Holdings Limited Stock?
As of the end of day on the Jun 14, 2024, the price of an Wanjia Group Holdings Limited (0401.HK) share was HK$0.0710.

What is the 52-week high and low for Wanjia Group Holdings Limited Stock?
The 52-week high for Wanjia Group Holdings Limited Stock is HK$0.153 and the 52-week low is HK$0.0520.

What is the market capitalization of Wanjia Group Holdings Limited Stock?
As of the Jun 14, 2024, the market capitalization of Wanjia Group Holdings Limited is 39.776M.
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About Wanjia Group Holdings Limited

Wanjia Group Holdings Limited, an investment holding company, engages in pharmaceutical wholesale and distribution business in the People's Republic of China and Hong Kong. It also offers hemodialysis treatment and consultancy services. The company sells its products to hospitals and healthcare institutions; and companies operating pharmaceutical retail chain stores, independent pharmacies, outpatient departments of community hospitals, healthcar... 0401.HK Profile

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