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Relative Vigour Index for Amibroker (AFL)

kaiji over 16 years ago Amibroker (AFL)

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    amibroker

Relative Vigour Index described in an article by John Ehlers in the January 2002 edition of TASC.

By Stefan Bondorowicz – SBondorowicz [at] aol.com

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Indicator / Formula

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/* Relative Vigour Index from TASC 01/02 */

period = 14;

value1 = ( ( C - O ) + ( 2 * Ref( C - O, -1) ) + ( 2 * Ref( C - O, -2) ) + Ref( C - O, -3) ) / 6;
value2 = ( ( H - L ) + ( 2 * Ref( H - L, -1) ) + ( 2 * Ref( H - L, -2) ) + Ref( H - L, -3) ) / 6;

num = Sum( value1, period );
denom = Sum( value2, period );

RVI = IIf( denom != 0, num / denom, 0);

RVISig = ( RVI + 2 * Ref( RVI, -1) + 2 * Ref( RVI, -2) + Ref( RVI, -3) ) / 6;
Graph1 = RVI;
Graph0 = RVISig;

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