Market Cycle Projection Engine
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Here is a translation of an indicator requested by @ciccarelli-franco
//-------------------------------------------------// // PRC_Market Cycle Projection Engine // Adapted from PineScript [AleksDU] // version = 0 // 30.03.2026 // Iván González @ www.prorealcode.com // Sharing ProRealTime knowledge //-------------------------------------------------// defparam drawonlastbaronly = true // === INPUTS === cycleLen = 50 // Cycle lookback (bars) showZones = 1 // Show cycle zones (1=yes) showLevels = 1 // Show key S/R levels (1=yes) srLookback = 30 // S/R pivot lookback levelExt = 30 // Extend levels (bars) showProj = 1 // Show projection (1=yes) projLen = 100 // Projection bars projMode = 1 // 0=Cycle Average, 1=Last Cycle, 2=ATR Multiple showDash = 1 // Show Dashboard (1=yes) // ================================================================ // MODULE A: CYCLE DETECTION // ================================================================ // --- ATR --- atr14 = averagetruerange[14](close) atrSlow = averagetruerange[cycleLen](close) // --- Cycle Range --- cycleHigh = highest[cycleLen](high) cycleLow = lowest[cycleLen](low) cycleRange = cycleHigh - cycleLow cycleMid = (cycleHigh + cycleLow) / 2 // --- Linear Regression Slope (manual, per bar) --- // i=0 oldest, i=N-1 current → positive slope = uptrend sumIY = 0 sumCloseN = 0 FOR i = 0 TO cycleLen - 1 DO sumIY = sumIY + i * close[cycleLen - 1 - i] sumCloseN = sumCloseN + close[cycleLen - 1 - i] NEXT sumI = cycleLen * (cycleLen - 1) / 2 sumII = cycleLen * (cycleLen - 1) * (2 * cycleLen - 1) / 6 lrDenom = cycleLen * sumII - sumI * sumI IF lrDenom <> 0 THEN lrSlope = (cycleLen * sumIY - sumI * sumCloseN) / lrDenom ELSE lrSlope = 0 ENDIF // --- Normalized slope --- lrSlopeNorm = lrSlope / max(atr14, 0.0001) // --- Volatility state --- atrRatio = atr14 / max(atrSlow, 0.0001) isExpanding = (atrRatio > 1.1) isContracting = (atrRatio < 0.85) // --- Volume state --- volSMA = average[20](volume) volRising = (volume > volSMA * 1.2) volFalling = (volume < volSMA * 0.8) // --- Price position (0=bottom, 1=top) --- pricePos = (close - cycleLow) / max(cycleRange, 0.0001) // ================================================================ // PHASE CLASSIFICATION // 1=Accumulation, 2=Markup, 3=Distribution, 4=Markdown, 5=Transition // ================================================================ phase = 5 IF lrSlopeNorm > 0.1 AND isExpanding THEN phase = 2 ELSIF lrSlopeNorm < -0.1 AND isExpanding THEN phase = 4 ELSIF lrSlopeNorm >= -0.1 AND lrSlopeNorm <= 0.1 AND pricePos < 0.4 THEN phase = 1 ELSIF lrSlopeNorm >= -0.1 AND lrSlopeNorm <= 0.1 AND pricePos >= 0.4 THEN phase = 3 ENDIF // Phase colors IF phase = 1 THEN rPh = 0 gPh = 188 bPh = 212 ELSIF phase = 2 THEN rPh = 0 gPh = 230 bPh = 118 ELSIF phase = 3 THEN rPh = 255 gPh = 152 bPh = 0 ELSIF phase = 4 THEN rPh = 255 gPh = 82 bPh = 82 ELSE rPh = 124 gPh = 77 bPh = 255 ENDIF // ================================================================ // PHASE CHANGE DETECTION + ZONE STORAGE // ================================================================ once prevPhase = 0 once phaseStartBar = 0 once phaseHi = high once phaseLo = low once zoneCnt = 0 phaseChanged = (phase <> prevPhase AND prevPhase <> 0) IF phaseChanged THEN // Store ending phase as a zone (FIFO of 6) IF zoneCnt < 6 THEN FOR k = zoneCnt DOWNTO 1 DO $zStart[k] = $zStart[k - 1] $zEnd[k] = $zEnd[k - 1] $zHi[k] = $zHi[k - 1] $zLo[k] = $zLo[k - 1] $zPh[k] = $zPh[k - 1] NEXT zoneCnt = zoneCnt + 1 ELSE FOR k = 5 DOWNTO 1 DO $zStart[k] = $zStart[k - 1] $zEnd[k] = $zEnd[k - 1] $zHi[k] = $zHi[k - 1] $zLo[k] = $zLo[k - 1] $zPh[k] = $zPh[k - 1] NEXT ENDIF zmid = (phaseHi + phaseLo) / 2 $zStart[0] = phaseStartBar $zEnd[0] = barindex $zHi[0] = zmid + atr14 * 1.5 $zLo[0] = zmid - atr14 * 1.5 $zPh[0] = prevPhase // Reset for new phase prevPhase = phase phaseStartBar = barindex phaseHi = high phaseLo = low ELSE IF prevPhase = 0 THEN prevPhase = phase phaseStartBar = barindex ENDIF IF high > phaseHi THEN phaseHi = high ENDIF IF low < phaseLo THEN phaseLo = low ENDIF ENDIF phaseDuration = barindex - phaseStartBar // ================================================================ // BAR COLORING (every bar) // ================================================================ drawcandle(open, high, low, close) coloured(rPh, gPh, bPh) // ================================================================ // MODULE B: S/R LEVELS (pivot tracking, every bar) // ================================================================ once phCnt = 0 once plCnt = 0 isPH = 0 IF barindex >= 2 * srLookback + 1 THEN IF high[srLookback] = highest[2 * srLookback + 1](high) THEN isPH = 1 ENDIF ENDIF isPL = 0 IF barindex >= 2 * srLookback + 1 THEN IF low[srLookback] = lowest[2 * srLookback + 1](low) THEN isPL = 1 ENDIF ENDIF // Store last 5 pivots (FIFO) IF isPH THEN IF phCnt < 5 THEN FOR k = phCnt DOWNTO 1 DO $phVal[k] = $phVal[k - 1] $phBar[k] = $phBar[k - 1] NEXT phCnt = phCnt + 1 ELSE FOR k = 4 DOWNTO 1 DO $phVal[k] = $phVal[k - 1] $phBar[k] = $phBar[k - 1] NEXT ENDIF $phVal[0] = high[srLookback] $phBar[0] = barindex - srLookback ENDIF IF isPL THEN IF plCnt < 5 THEN FOR k = plCnt DOWNTO 1 DO $plVal[k] = $plVal[k - 1] $plBar[k] = $plBar[k - 1] NEXT plCnt = plCnt + 1 ELSE FOR k = 4 DOWNTO 1 DO $plVal[k] = $plVal[k - 1] $plBar[k] = $plBar[k - 1] NEXT ENDIF $plVal[0] = low[srLookback] $plBar[0] = barindex - srLookback ENDIF // ================================================================ // MODULE C: PROJECTION // ================================================================ projUp = (phase = 1 OR phase = 4) projAmpl = 0 IF projMode = 0 THEN projAmpl = atrSlow * sqrt(cycleLen) * 0.4 ELSIF projMode = 1 THEN projAmpl = cycleRange * 0.75 ELSE projAmpl = atr14 * 30 ENDIF // ================================================================ // DRAWING (last bar only) // ================================================================ IF islastbarupdate THEN // --- Cycle Zones --- IF showZones AND zoneCnt > 0 THEN FOR z = 0 TO zoneCnt - 1 DO zPh = $zPh[z] IF zPh = 1 THEN rZ = 0 gZ = 188 bZ = 212 ELSIF zPh = 2 THEN rZ = 0 gZ = 230 bZ = 118 ELSIF zPh = 3 THEN rZ = 255 gZ = 152 bZ = 0 ELSIF zPh = 4 THEN rZ = 255 gZ = 82 bZ = 82 ELSE rZ = 124 gZ = 77 bZ = 255 ENDIF drawrectangle($zStart[z], $zHi[z], $zEnd[z], $zLo[z]) coloured(rZ, gZ, bZ, 200) fillcolor(rZ, gZ, bZ, 30) NEXT ENDIF // --- S/R Levels --- IF showLevels THEN // Pivot resistances IF phCnt > 0 THEN FOR i = 0 TO phCnt - 1 DO drawsegment($phBar[i], $phVal[i], barindex + levelExt, $phVal[i]) coloured(255, 82, 82, 160) style(dottedline, 1) NEXT ENDIF // Pivot supports IF plCnt > 0 THEN FOR i = 0 TO plCnt - 1 DO drawsegment($plBar[i], $plVal[i], barindex + levelExt, $plVal[i]) coloured(0, 230, 118, 160) style(dottedline, 1) NEXT ENDIF // Cycle High / Low / Mid drawsegment(barindex - cycleLen, cycleHigh, barindex + levelExt, cycleHigh) coloured(255, 82, 82) style(line, 2) drawtext("Cycle High", barindex + levelExt + 3, cycleHigh+0.25*atr14) coloured(255, 82, 82) drawsegment(barindex - cycleLen, cycleLow, barindex + levelExt, cycleLow) coloured(0, 230, 118) style(line, 2) drawtext("Cycle Low", barindex + levelExt + 3, cycleLow-0.25*atr14) coloured(0, 230, 118) drawsegment(barindex - cycleLen, cycleMid, barindex + levelExt, cycleMid) coloured(124, 77, 255, 160) style(dottedline, 1) drawtext("Mid", barindex + levelExt + 3, cycleMid) coloured(124, 77, 255) ENDIF // --- Projection --- IF showProj THEN IF projUp THEN ep = close + projAmpl rA = 0 gA = 230 bA = 118 ELSE ep = close - projAmpl rA = 255 gA = 82 bA = 82 ENDIF // Main line drawsegment(barindex, close, barindex + projLen, ep) coloured(rA, gA, bA) style(line, 3) // Upper/lower bounds drawsegment(barindex, close + atr14 * 3, barindex + projLen, ep + atr14 * 3) coloured(rA, gA, bA, 160) style(dottedline, 1) drawsegment(barindex, close - atr14 * 3, barindex + projLen, ep - atr14 * 3) coloured(rA, gA, bA, 160) style(dottedline, 1) // Label with % projPct = round(projAmpl / close * 1000) / 10 IF projUp THEN drawtext("+#projPct#%", barindex + projLen + 6, ep) coloured(rA, gA, bA) ELSE drawtext("-#projPct#%", barindex + projLen + 6, ep) coloured(rA, gA, bA) ENDIF ENDIF // --- Dashboard --- IF showDash THEN // Phase name IF phase = 1 THEN drawtext("Phase: Accumulation", -200, -20) anchor(topright, xshift, yshift) coloured(0, 188, 212) ELSIF phase = 2 THEN drawtext("Phase: Markup", -200, -20) anchor(topright, xshift, yshift) coloured(0, 230, 118) ELSIF phase = 3 THEN drawtext("Phase: Distribution", -200, -20) anchor(topright, xshift, yshift) coloured(255, 152, 0) ELSIF phase = 4 THEN drawtext("Phase: Markdown", -200, -20) anchor(topright, xshift, yshift) coloured(255, 82, 82) ELSE drawtext("Phase: Transition", -200, -20) anchor(topright, xshift, yshift) coloured(124, 77, 255) ENDIF // Duration drawtext("Duration: #phaseDuration# bars", -200, -40) anchor(topright, xshift, yshift) coloured(200, 200, 200) // Strength cycleStr = round(abs(pricePos - 0.5) * 200) drawtext("Strength: #cycleStr#/100", -200, -60) anchor(topright, xshift, yshift) coloured(200, 200, 200) // Position % posPct = round(pricePos * 100) drawtext("Position: #posPct#%", -200, -80) anchor(topright, xshift, yshift) coloured(200, 200, 200) // Volatility IF isExpanding THEN drawtext("Volatility: Expanding", -200, -100) anchor(topright, xshift, yshift) coloured(255, 152, 0) ELSIF isContracting THEN drawtext("Volatility: Contracting", -200, -100) anchor(topright, xshift, yshift) coloured(0, 188, 212) ELSE drawtext("Volatility: Normal", -200, -100) anchor(topright, xshift, yshift) coloured(150, 150, 150) ENDIF // Projection IF projUp THEN drawtext("Projection: Upward #projPct#%", -200, -120) anchor(topright, xshift, yshift) coloured(0, 230, 118) ELSE drawtext("Projection: Downward #projPct#%", -200, -120) anchor(topright, xshift, yshift) coloured(255, 82, 82) ENDIF ENDIF ENDIF RETURNThe indicator’s logic includes a part that colors the bars. To do this, I’ve created a new indicator.
//-------------------------------------------------// // PRC_Market Cycle Bar Color // Companion to PRC_Market Cycle Projection Engine // version = 0 // 30.03.2026 // Iván González @ www.prorealcode.com // Sharing ProRealTime knowledge //-------------------------------------------------// // === INPUTS === cycleLen = 50 // Cycle lookback (bars) // === CYCLE DETECTION === atr14 = averagetruerange[14] atrSlow = averagetruerange[cycleLen] cycleHigh = highest[cycleLen](high) cycleLow = lowest[cycleLen](low) cycleRange = cycleHigh - cycleLow // Linear Regression Slope sumIY = 0 sumCloseN = 0 FOR i = 0 TO cycleLen - 1 DO sumIY = sumIY + i * close[cycleLen - 1 - i] sumCloseN = sumCloseN + close[cycleLen - 1 - i] NEXT sumI = cycleLen * (cycleLen - 1) / 2 sumII = cycleLen * (cycleLen - 1) * (2 * cycleLen - 1) / 6 lrDenom = cycleLen * sumII - sumI * sumI IF lrDenom <> 0 THEN lrSlope = (cycleLen * sumIY - sumI * sumCloseN) / lrDenom ELSE lrSlope = 0 ENDIF lrSlopeNorm = lrSlope / max(atr14, 0.0001) atrRatio = atr14 / max(atrSlow, 0.0001) isExpanding = (atrRatio > 1.1) pricePos = (close - cycleLow) / max(cycleRange, 0.0001) // Phase classification IF lrSlopeNorm > 0.1 AND isExpanding THEN drawcandle(open, high, low, close) coloured(0, 230, 118) ELSIF lrSlopeNorm < -0.1 AND isExpanding THEN drawcandle(open, high, low, close) coloured(255, 82, 82) ELSIF lrSlopeNorm >= -0.1 AND lrSlopeNorm <= 0.1 AND pricePos < 0.4 THEN drawcandle(open, high, low, close) coloured(0, 188, 212) ELSIF lrSlopeNorm >= -0.1 AND lrSlopeNorm <= 0.1 AND pricePos >= 0.4 THEN drawcandle(open, high, low, close) coloured(255, 152, 0) ELSE drawcandle(open, high, low, close) coloured(124, 77, 255) ENDIF RETURNNicolas and robertogozzi thanked this post
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