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Bandas® Bollinger


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Definición de Bandas Bollinger:
Las Bandas Bollinger® crean un canal de una desviación estándar basada en una media móvil (típicamente los 20 mA). Para determinar hasta dónde las bandas son del medio (20 mA), 
las bandas externas son un número especificado de
las desviaciones estándar (típicamente 2) del medio.

Antecedentes: 
Desarrolladas por John Bollinger, estas bandas se ajustan a las condiciones del mercado diversas. En épocas volátiles, las bandas ensanchan, mientras que en sesiones menos volátiles, las bandas restringen.

Uso práctico: 
Los comerciantes utilizarán a menudo las bandas de Bollinger como 
confirmación comercial adicional a la acción de precio y volumen dentro  de un intervalo de tiempo bajo evaluación.
 También se utilizan como señales de compra y venta al usar los extremos de las bandas como niveles de Sobreventa (oversold) y Sobrecompra (overbought). 

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Ejemplo Real de Gráficas con Bandas Bollinger

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