This script can help traders to determine if there is a buy or sell signal. It indicates when the Williams %R crosses the Bollingers bands levels at the overbought and oversold areas.
Red cross: when the Williams crosses the upper level of BB in the overbought area, that can be considered as a double confirmation to sold. Green cross: when the Williams crosses the lower level of BB in the oversold area, that can be considered as a double confirmation to buy.
Configuration: This indicator gives accurate signals with this configuration: Williams %R: period length 12 MA period: period length 8 Bollinger bands: period length 6