WPR HL - Williams' Percent Range indicator calculated by (High-Low)

The indicator has three input parameters:

• Period - calculation period
• Overbought - overbought level
• Oversold - oversold level

WPR_HL =-100.0 * (Max-HL) / (Max-Min)  

HL = High - Low  Max, Min are the highest and lowest prices within the Period interval  

Fig. 1. WPR HL

Fig. 2. WPR HL as compared to Williams' Percent Range