Circular Candlestick Chart

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © alexgrover
// ------------------------------------------------------------------------------------------------
// Original author:  alexgrover
// Original title:   Circular Candlestick Chart
// 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("Circular Candlestick Chart", max_lines_count=500)
length = input(25)
width = input(200)
spacing = input(7)
precision = input(10)
//----
upper = ta.highest(length)
lower = ta.lowest(length)
q75 = ta.percentile_linear_interpolation(close, length, 75)
q25 = ta.percentile_linear_interpolation(close, length, 25)
//----
n = bar_index
if barstate.islast
    for element in line.all
        l = element
        line.delete(l[0])

    for i = 0 to length - 1
        float prev_y = na
        int prev_x = na

        float prev_cy = na
        int prev_cx = na

        o = (open[i] - lower) / (upper - lower) * 360
        h = (high[i] - lower) / (upper - lower) * 360
        l = (low[i] - lower) / (upper - lower) * 360
        c = (close[i] - lower) / (upper - lower) * 360

        for j = l to h by precision
            x = (width - i * spacing) * math.sin(math.toradians(j))
            y = (width - i * spacing) * math.cos(math.toradians(j))

            line.new(prev_x, prev_y, n + math.round(x), y, color=color.gray)

            prev_y := y
            prev_x := n + math.round(x)

        for k = o to c by precision
            x = (width - i * spacing) * math.sin(math.toradians(k))
            y = (width - i * spacing) * math.cos(math.toradians(k))

            css = close[i] > open[i] ? #26a69a : #ef5350

            line.new(prev_cx, prev_cy, n + math.round(x), y, color=css, width=2)

            prev_cy := y
            prev_cx := n + math.round(x)

    q75_deg = (q75 - lower) / (upper - lower) * 360
    q25_deg = (q25 - lower) / (upper - lower) * 360

    line.new(n, 0, n + math.round(width * math.sin(math.toradians(q75_deg))), width * math.cos(math.toradians(q75_deg)), color=#2157f3, width=1, style=line.style_dotted)
    line.new(n, 0, n + math.round(width * math.sin(math.toradians(q25_deg))), width * math.cos(math.toradians(q25_deg)), color=#ff5d00, width=1, style=line.style_dotted)

This file is under the Mozilla Public License 2.0; it is a port of the original by alexgrover, 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