S&P 500 Bollinger Bands
S&P 500 Bollinger Bands
Bollinger Bands consist of three bands
They revolve around a centred simple moving average (SMA), with a default value of 20, of which 85% of the time, the price is held within the following boundaries:
Lower band – SMA (minus two standard deviations)
Upper band – SMA (plus two standard deviations)
Bollinger Bands consist of three bands
They revolve around a centred simple moving average (SMA), with a default value of 20, of which 85% of the time, the price is held within the following boundaries:
Lower band – SMA (minus two standard deviations)
Upper band – SMA (plus two standard deviations)
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