A lognormal Bollinger Band shows a more more realistic estimation of “up” and “down” than the original Bollinger bands would do. This article gives the updated indicator code for lognormal based volatility bands.
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Divergences between an indicator and the price can be powerful signals for a trend change. This post will show you how to program an indicator to automatically detect and visualise a bullish and bearish divergence by using so called arrays. What is a Bullish or Bearish Divergence? A perfect example of a bullish divergence is shown on the chart below:
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Sometimes you need some Technical Analysis indicators for counting in your code. Maybe, you are interested in how many days ago something happened. An example could be a question like “how many days have we been above the moving average” or “how many days since we had a new high”. This post will show you an easy way to answer
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Using the Average of a Season indicator from our last post, this time we want to show you how to use this indicator for mean reversion trading. On the chart below you see some wonderful trading opportunities are marked. Each time you should have been able to make some money trading a reversal towards the average. The trick behind this
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