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: [ 25 - 75 ]
* StockInvest.us uses dynamically calculated RSI max/min levels to determine when stock is oversold or overbought based on historical behavior.

FAQ

What is the symbol for Acceleron Pharma Inc. Stock and on which exchange is it traded?
The symbol for Acceleron Pharma Inc. is XLRN and it is traded on the NASDAQ (NASDAQ Stock Exchange).

Should I buy or sell Acceleron Pharma Inc. Stock?
Acceleron Pharma Inc. holds several positive signals, but we still don't find these to be enough for a buy candidate. At the current level, it should be considered as a hold candidate (hold or accumulate) in this position whilst awaiting further development.

How to buy Acceleron Pharma Inc. Stock?
Acceleron Pharma Inc. Stock can be purchased through just about any brokerage firm, including online brokerage services.
Click here for our free guide on how to buy Acceleron Pharma Inc. Stock.

What's the current price of Acceleron Pharma Inc. Stock?
As of the end of day on the 2022-05-27, the price of an Acceleron Pharma Inc. (XLRN) share was $178.75.

What is the 52-week high and low for Acceleron Pharma Inc. Stock?
The 52-week high for Acceleron Pharma Inc. Stock is $189.99 and the 52-week low is $113.49.
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About Acceleron Pharma Inc.

Acceleron Pharma. Acceleron Pharma Inc., a clinical stage biopharmaceutical company, focuses on the discovery, development, and commercialization of protein therapeutics for cancer and rare diseases. It is developing sotatercept to treat patients with chronic kidney disease, including mineral-bone disorder, vascular calcification, and anemia; and luspatercept to treat anemia and associated complications in patients with myelodysplastic syndromes and beta-thalassem... XLRN Profile

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