The Bollinger Bands Width Stock Scanner is a technical analysis tool that can be used to identify potential price breakouts or breakdowns for (almost) all stocks at once on select exchanges (NYSE, NASDAQ & B3 in Brazil): By entering the desired value into the tool, one can filter out for stocks with tight prices that are about to rise or fall.

Find out more about using Bollinger Bands Width alongside your trading strategies here: https://www.tradingview.com/support/solutions/43000501972-bollinger-bands-width-bbw/

Python 3.6 or newer.

Before running inside a Docker container, a Docker image must be created. In the project directory run:

docker build -t bbw-stock-scanner .

docker run -d -p 8888:8080 bbw-stock-scanner

Then go to: http://localhost:8888

You can try Bollinger Bands Width Stock Scanner online without installing Python at: https://bbw-stock-scanner-cs76jitc4q-rj.a.run.app/

The recommended values for the Bollinger Band Width indicator can vary depending on the time frame. For example:

• For daily scans, enter a value of 0.12 for BBW to get tight stocks.
• For 4-hour scans, the optimum value will be 0.04
• For hourly scans, enter a value of 0.02
• For 15 minutes, enter bbw value of 0.08

The demo app is currently hosted on Google Cloud Run.
The sample app.yaml file contained in this repo will allow for Google App Engine deployments as well.

If you found a bug or have a question, please open an issue. Email will not be replied.

Trading is a risky activity, especially when done using an automated program.
Never trade without checking results provided by the Bollinger Bands Width Scanner:
Any monetary losses are not my fault.

Diogo Lessa

Bollinger Bands Width Stock Scanner (bbw-stock-scanner) is available under the MIT license.