TASC 2022.10 RS VA EMA

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © PineCodersTASC

//  TASC Issue: October 2022 - Vol. 40, Issue 11
//     Article: Relative Strength Moving Averages
//              Part 2: The Relative Strength Volume-Adjusted
//              Exponential Moving Average (RS VA EMA)
//  Article By: Vitali Apirine
//    Language: Pine-compatible v5
// Provided By: PineCoders, for tradingview.com
// ------------------------------------------------------------------------------------------------
// Original author:  PineCodersTASC
// Original title:   TASC 2022.10 RS VA EMA
// Licence:          MPL-2.0 (the header above is the original notice, kept verbatim)
// Pine version:     5
// Fetched:          2026-10-12
// Ported to FloScript by FloSignals; modifications under MPL-2.0.
// Converter:        @flosignals/floscript 0.1.0, strict mode, score 100/100
// ------------------------------------------------------------------------------------------------
//@floscript=1
//@version=5

indicator('TASC 2022.10 RS VA EMA', overlay=true)

float src = input.source(close, 'Source:')
int periods = input.int(10, 'EMA Length:', minval=1)
int pds = input.int(10, 'VS Length:', minval=1)
float mltp = input.int(10, 'VS Multiplier:', minval=0)

rsvaema(float source = close, simple int emaPeriod = 50, simple int vsPeriod = 50, float multiplier = 10.0) =>
    var float mltp1 = 2.0 / (emaPeriod + 1.0)
    var float coef1 = 2.0 / (vsPeriod + 1.0)
    var float coef2 = 1.0 - coef1
    float pv = source > source[1] ? volume : 0.0
    float nv = source < source[1] ? volume : 0.0
    float apv = na
    apv := coef1 * pv + coef2 * nz(apv[1])
    float anv = na
    anv := coef1 * nv + coef2 * nz(anv[1])
    float vs = math.abs(apv - anv) / (apv + anv)
    float rate = mltp1 * (1.0 + nz(vs, 0.00001) * multiplier)
    float rsma = na
    rsma := rate * source + (1.0 - rate) * nz(rsma[1], source)
    rsma

float rsvaema = rsvaema(src, periods, pds, mltp)

plot(rsvaema, title='RS VA EMA', color=#B21BD8, linewidth=2)

This file is under the Mozilla Public License 2.0; it is a port of the original by PineCodersTASC, with the original licence header kept and the changes made for FloScript noted in the file.

• v22026-10-14

  Library refresh 2026-10-14

• v12026-10-12

  Library refresh 2026-10-12