Ehlers Data Sampling Relative Strength Indicator [CC]

// Copyright (c) 2019-present, Franklin Moormann (cheatcountry)
// Ehlers Data Sampling Relative Strength Indicator [CC] script may be freely distributed under the MIT license.
// ------------------------------------------------------------------------------------------------
// Original author:  cheatcountry
// Original title:   Ehlers Data Sampling Relative Strength Indicator [CC]
// Licence:          MIT (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('Ehlers Data Sampling Relative Strength Indicator [CC]', max_bars_back=3000, overlay=false)

requestSecurity(_symbol, _res, _src, _repaint) =>
    _src[_repaint ? 0 : barstate.isrealtime ? 1 : 0][_repaint ? 0 : barstate.isrealtime ? 0 : 1]

string res = input.timeframe(title='Resolution', defval='')
bool rep = input(title='Allow Repainting?', defval=false)
bool bar = input(title='Allow Bar Color Change?', defval=true)
float c = requestSecurity(syminfo.tickerid, res, close, rep)
float o = requestSecurity(syminfo.tickerid, res, open, rep)
int length = input.int(title='Length', defval=14, minval=2)
int obLevel = input.int(title="ObLevel", defval=70, minval=1)
int osLevel = input.int(title="OsLevel", defval=30, minval=1)

float origRsi = ta.rsi(c, length)
float dsRsi = ta.rsi((o + c) / 2, length)

float slo = dsRsi - nz(dsRsi[1])
hline((obLevel + osLevel) / 2, color=color.black)
hline(obLevel, color=color.green)
hline(osLevel, color=color.red)
//sig = nz(dsRsi[1]) < osLevel and dsRsi > osLevel ? 1 : nz(dsRsi[1]) > obLevel and dsRsi < obLevel ? -1 : dsRsi > nz(dsRsi[1]) ?
// 1 : dsRsi < nz(dsRsi[1]) ? -1 : 0
int sig = slo > 0 ? (slo > nz(slo[1]) ? 2 : 1) : slo < 0 ? (slo < nz(slo[1]) ? -2 : -1) : 0
alertcondition(ta.crossover(sig, 1), 'Strong Buy Signal', 'Strong Bullish Change Detected')
alertcondition(ta.crossunder(sig, -1), 'Strong Sell Signal', 'Strong Bearish Change Detected')
alertcondition(ta.crossover(sig, 0), 'Buy Signal', 'Bullish Change Detected')
alertcondition(ta.crossunder(sig, 0), 'Sell Signal', 'Bearish Change Detected')
color dsrsiColor = sig > 1 ? color.green : sig > 0 ? color.lime : sig < -1 ? color.maroon : sig < 0 ? color.red : color.black
barcolor(bar ? dsrsiColor : na)
plot(dsRsi, title='DataSamplingRSI', color=dsrsiColor, linewidth=2)
plot(origRsi, title='OriginalRSI', color=color.black, linewidth=1)

This file is under the MIT License; it is a port of the original by cheatcountry, 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