mirror of
https://github.com/mihakralj/QuanTAlib.git
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Miha Kralj
50 lines
2.1 KiB
Plaintext
50 lines
2.1 KiB
Plaintext
// Licensed under the Apache License, Version 2.0
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// © mihakralj
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//@version=6
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indicator("Pivot Points (Woodie)", "PIVOTWOOD", overlay=true)
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//@function Calculates Woodie's pivot points with weighted closing price
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//@param tf Timeframe for pivot calculation ("D", "W", "M")
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//@returns Tuple [pp, r1, r2, r3, s1, s2, s3] with pivot levels
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//@references Ken Woodie, weighted close formula
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pivotwood(simple string tf) =>
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[hi, lo, cl] = request.security(syminfo.tickerid, tf, [high[1], low[1], close[1]], lookahead=barmerge.lookahead_on)
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if na(hi) or na(lo) or na(cl)
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[na, na, na, na, na, na, na]
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else
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float pp = (hi + lo + 2.0 * cl) / 4.0
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float r1 = 2.0 * pp - lo
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float s1 = 2.0 * pp - hi
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float r2 = pp + (hi - lo)
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float s2 = pp - (hi - lo)
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float r3 = hi + 2.0 * (pp - lo)
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float s3 = lo - 2.0 * (hi - pp)
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[pp, r1, r2, r3, s1, s2, s3]
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// ---------- Main loop ----------
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// Inputs
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i_timeframe = input.timeframe("D", "Pivot Timeframe", options=["D", "W", "M"])
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i_show_pp = input.bool(true, "Show Pivot Point")
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i_show_r1 = input.bool(true, "Show R1")
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i_show_r2 = input.bool(true, "Show R2")
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i_show_r3 = input.bool(true, "Show R3")
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i_show_s1 = input.bool(true, "Show S1")
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i_show_s2 = input.bool(true, "Show S2")
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i_show_s3 = input.bool(true, "Show S3")
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i_color_pp = input.color(color.yellow, "PP Color")
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i_color_r = input.color(color.red, "Resistance Color")
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i_color_s = input.color(color.green, "Support Color")
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// Calculation
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[pp, r1, r2, r3, s1, s2, s3] = pivotwood(i_timeframe)
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// Plot
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plot(i_show_pp ? pp : na, "PP", color=i_color_pp, linewidth=2, style=plot.style_stepline)
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plot(i_show_r1 ? r1 : na, "R1", color=i_color_r, linewidth=1, style=plot.style_stepline)
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plot(i_show_r2 ? r2 : na, "R2", color=i_color_r, linewidth=1, style=plot.style_stepline)
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plot(i_show_r3 ? r3 : na, "R3", color=i_color_r, linewidth=1, style=plot.style_stepline)
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plot(i_show_s1 ? s1 : na, "S1", color=i_color_s, linewidth=1, style=plot.style_stepline)
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plot(i_show_s2 ? s2 : na, "S2", color=i_color_s, linewidth=1, style=plot.style_stepline)
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plot(i_show_s3 ? s3 : na, "S3", color=i_color_s, linewidth=1, style=plot.style_stepline)
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