Bollinger Bands
Bollinger Band Lower (Bollinger Band (Lower))
When prices continually touch lower Bollinger Band®, prices are thought to be oversold.
Deep Dive
Everything You Need to Know
Under the Hood
How It Works
The lower band is 2 standard deviations below the 20-period SMA. Prices touching the lower band indicate potential oversold conditions.
In Practice
How Traders Use It
Use the lower band as a dynamic support level. In mean-reversion strategies, price touching the lower band can trigger a buy signal.
Highlights
Bollinger Band (Lower) at a Glance
20-period SMA minus 2 std dev
Dynamic support level
Touching = potential oversold
Combine with RSI confirmation
Widens in volatile markets
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