This indicator is a normalized oscillator. 

0.66 Red line shows StdDev+2, and -0.66 Lime line shows StdDev-2.

about 2000 or more bars are required for this indicator because of calculation of normalization.

Input Parameters

• VSO Period: period of VSO. 24 on default;
• Normalize Period: period of normalization. 1000 on default;
• VS Period: period of Variable Stop. 120 on default;
• VS Multiplier: multiplier of Variable Stop. 3.0 on default;
• VS Spread: It is automatically calculated at the time of less than zero, and is calculated with the value at the time of zero or more.  -1 on default; 
• Draw Level Lines: true is display, false is non-display;
• - Extreme Over Bought Line: Red on default;
• - Over Bough Line: FireBrick on default;
• - Center Line: DimGray on default;
• - Over Sold Line: DarkGreen on default;
• - Extreme Over Sold Line: Lime on default;
• Indicator ID: number for identifying an indicator, 0 on default;
• Display Indicator Bars: please set 2000~5000, this indicator draws slowly if over 5000. 3000 on default;
• Error Message: true is display, false is non-display.