Quadruple Exponential Moving Average

// Copyright (c) 2010-present, Bruno Pio
// Copyright (c) 2019-present, Alex Orekhov (everget)
// Quadruple Exponential Moving Average script may be freely distributed under the MIT license.
// ------------------------------------------------------------------------------------------------
// Original author:  everget
// Original title:   Quadruple Exponential Moving Average (QEMA)
// Licence:          MIT (the header above is the original notice, kept verbatim)
// Pine version:     3
// 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
// Converted by the FloScript converter from a Pine-compatible v3 source.
indicator("Quadruple Exponential Moving Average", shorttitle="QEMA", overlay=true)

length = input.int(title="Length", defval=20)
highlightMovements = input.bool(title="Highlight Movements ?", defval=true)
src = input.source(title="Source", defval=close)

ema1 = ta.ema(src, length)
ema2 = ta.ema(ema1, length)
ema3 = ta.ema(ema2, length)
ema4 = ta.ema(ema3, length)
ema5 = ta.ema(ema4, length)

qema = 5 * ema1 - 10 * ema2 + 10 * ema3 - 5 * ema4 + ema5

qemaColor = highlightMovements ? (qema > qema[1] ? color.green : color.red) : #6d1e7f
plot(qema, title="QEMA", linewidth=2, color=color.new(qemaColor, 0))

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