# Moving Average Envelope (ENV) : Python Matplotlib Finance and Math Tutorials | Summary and Q&A

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December 4, 2013
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sentdex
Moving Average Envelope (ENV) : Python Matplotlib Finance and Math Tutorials

## TL;DR

Learn about moving average envelopes, a simple indicator used in technical analysis to identify breakouts and volatility in stock prices.

## Key Insights

• 💌 Moving average envelopes are a simple technical analysis tool used in trading to identify breakouts and volatility.
• 💌 The width of the envelope adjusts based on volatility, making it a dynamic indicator.
• 😘 Moving average envelopes can be used to generate buy and sell signals when price crosses the upper or lower lines.
• 💌 The code provided offers a step-by-step guide on how to plot moving average envelopes on stock price charts using Python.
• 💌 Backtesting and optimizing the parameters of moving average envelopes can help improve trading performance.
• 💌 Moving average envelopes are most effective in trending markets with clear breakouts.
• 💌 It is important to consider other factors such as market conditions and other technical indicators when using moving average envelopes.

## Transcript

well everybody welcome to another Python mathematics and Finance tutorial video this video we're gonna be talking about the moving average envelope this one's pretty simple and simple enough to where I can condense it all into one video so first let me just show you guys this envelope it looks a lot like maybe these Keltner channels or Bollinger Ba... Read More

### Q: What is the purpose of moving average envelopes in trading?

Moving average envelopes are used to identify breakouts and volatility in stock prices by encapsulating price movements with upper and lower lines.

### Q: How are moving average envelopes calculated?

Moving average envelopes are calculated by taking a simple moving average and then adding or subtracting a multiple of that average to create upper and lower lines.

### Q: How does the width of the envelope indicate volatility?

The width of the envelope adjusts based on volatility, with wider gaps indicating higher volatility and narrower gaps indicating lower volatility.

### Q: Can moving average envelopes be used as a standalone trading strategy?

Moving average envelopes can be used as a part of a trading strategy to generate buy signals when price exceeds the upper line and sell signals when price falls below the lower line.

## Summary & Key Takeaways

• Moving average envelopes are similar to Keltner channels or Bollinger Bands and are used to encapsulate stock prices to identify breakouts.

• By adding or subtracting a multiple of a simple moving average, moving average envelopes adjust themselves based on volatility.

• The code provided demonstrates how to plot moving average envelopes on stock price charts using Python.