Woodyz wrote: Wed Dec 01, 2021 8:45 pm This Trading View Key Levels code that to me looks very good. Perhaps one of our talented coders would like to have a crack at turnnig this into a MT4 indicator for the benefit of all.
Code: Select all
// █▀▀▄ ──▀ █▀▀█ █▀▀█ █▀▀▀ █──█ █▀▄▀█ // █▀▀▄ ──█ █──█ █▄▄▀ █─▀█ █──█ █─▀─█ // ▀▀▀─ █▄█ ▀▀▀▀ ▀─▀▀ ▀▀▀▀ ─▀▀▀ ▀───▀ // This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/ // © Bjorgum //@version=5 indicator ('Bjorgum Key Levels', 'Bj Key Levels', overlay=true, max_boxes_count=500) // ================================== // // ------------> Tips <-------------- // // ================================== // leftTip = "Look left for swing high/low in x number of bars to form pivot. The higher the number, the higher the script looks to the left for the highest/lowest point before drawing pivot" rightTip = "Look right for swing high/low in x number of bars to form pivot. The higher the number, the higher the script looks to the right for the highest/lowest point before drawing pivot" nPivTip = "This sets the array size, or the number of pivots to track at a time (x highs, and x number of lows)" atrLenTip = "Number of bars to average. ATR is used to standardize zone width between assets and timeframes" multTip = "ATR multiplier to set zone width. Default is half of one ATR from box bottom to box top" perTip = "Max zone size as a percent of price. Some assets can be too volatile at low prices creating an unreasonably sized zone" srcTip = "Source input for pivots. Default tracks the highest and lowest bodies of HA candles to average price action, which can result in a level that sits in the overlap of support and resistance" alignZonesTip = "Aligns recurring zones who's edges overlap an existing zone creating a zone that ages in time and intensifies visually" dhighsTip = "Disabling will prevent highs from being tracked" dlowsTip = "Disabling will prevent lows from being tracked" detectBOTip = "Show points that price action breaks above all pivots. An arrow from below is displayed" detectBDTip = "Show points that price action breaks below all pivots. An arrow from above is displayed" breakUpTip = "Show points that price action breaks above resistance. An arrow from below is displayed" breakDnTip = "Show points that price action breaks below support. An arrow from above is displayed" falseBullTip = "Show points that price action initially breaks below support before reversing. False moves can lead to fast moves in the opposite direction (bear trap). A large arrow from below is displayed" falseBearTip = "Show points that price action initially breaks above resistance before reversing. False moves can lead to fast moves in the opposite direction (bull trap). A large arrow from above is displayed" supPushTip = "Show up candles that are detected within a support zone. Can show points support is being respected. A triangle from below is displayed" resPushTip = "Show down candles that are detected within a resistance zone. Can show points resistance is being respected. A triangle from above is displayed" lookbackTip = "Number of candles that can be included in a false break signal" swingTip = "Swing detection is used to filter signals on breakout type signals. A higher number will mean more significant points, but less of them" pivotColorTip = "Color of key levels --> (bull color, bear color, transparency of box background, transparency of box borders)" breakoutTip = "Color of breakout arrows --> (bull, bear, transp., transp.)" SnRTip = "Color of triangles for broken support or resistance --> (bull, bear, transp., transp.)" falseBreakTip = "Color of arrows for false breaks --> (bull, bear, transp., transp., arrow max height in pixels)" moveTip = "Color of triangles for candles that are detected within zones --> (bull, bear, transp., transp.)" [code]// ================================== // // ---------> User Input <----------- // // ================================== // left = input.int (20 , "Look Left" , group= "Zones" , tooltip= leftTip) right = input.int (15 , "Look Right" , group= "Zones" , tooltip= rightTip) nPiv = input.int (4 , "Number of Pivots" , group= "Zones" , tooltip= nPivTip) atrLen = input.int (30 , "ATR Length" , group= "Zones" , tooltip= atrLenTip) mult = input.float (0.5 , "Zone Width (ATR)" , group= "Zones" , tooltip= multTip, step = 0.1) per = input.float (5, "Max Zone Percent" , group= "Zones" , tooltip= perTip) src = input.string ("HA" , "Source For Pivots" , group= "Zones" , tooltip= srcTip, options= ["HA", "High/Low Body", "High/Low"]) alignZones = input.bool (true , "Align Zones" , group= "Zones" , tooltip= alignZonesTip) dhighs = input.bool (true , "Detect Pivot Highs" , group= "Detection" , tooltip= dhighsTip) dlows = input.bool (true , "Detect Pivot Lows" , group= "Detection" , tooltip= dlowsTip) detectBO = input.bool (false , "Detect Breakout" , group= "Detection" , tooltip= detectBOTip) detectBD = input.bool (false , "Detect Breakdown" , group= "Detection" , tooltip= detectBDTip) breakUp = input.bool (false , "Detect Resistance Break" , group= "Detection" , tooltip= breakUpTip) breakDn = input.bool (false , "Detect Support Break" , group= "Detection" , tooltip= breakDnTip) falseBull = input.bool (false , "Detect False Breakdown" , group= "Detection" , tooltip= falseBullTip) falseBear = input.bool (false , "Detect False Breakup" , group= "Detection" , tooltip= falseBearTip) supPush = input.bool (false , "Detect Moves Off Support" , group= "Detection" , tooltip= supPushTip) resPush = input.bool (false , "Detect Moves Off Resistance" , group= "Detection" , tooltip= resPushTip) lookback = input.int (2 , "Lookback For Breaks" , group= "Lookback" , tooltip= lookbackTip) swing = input.int (5 , "swing High/Low" , group= "Lookback" , tooltip= swingTip) bullCol = input.color (#64b5f6, "" , inline="1" , group= "Pivot Color") bearCol = input.color (#ffeb3b, "" , inline="1" , group= "Pivot Color") bgTransp = input.int (95 , "" , inline="1" , group= "Pivot Color") bordTransp = input.int (60 , "" , inline="1" , group= "Pivot Color" , tooltip= pivotColorTip) bullBreak = input.color (#0000ff, "" , inline="2" , group= "Breakout Color") bearBreak = input.color (#ff00ff, "" , inline="2" , group= "Breakout Color") bullTransp = input.int (40 , "" , inline="2" , group= "Breakout Color") bearTransp = input.int (40 , "" , inline="2" , group= "Breakout Color" , tooltip= breakoutTip) resBreakCol = input.color (#17ff00, "" , inline="3" , group= "S&R Break Color") supBreakCol = input.color (#ff0000, "" , inline="3" , group= "S&R Break Color") resBreakTransp = input.int (40 , "" , inline="3" , group= "S&R Break Color") supBreakTransp = input.int (40 , "" , inline="3" , group= "S&R Break Color" , tooltip= SnRTip) falseBullCol = input.color (#17ff00, "" , inline="4" , group= "False Break Color") falseBearCol = input.color (#ff0000, "" , inline="4" , group= "False Break Color") falseBullTransp = input.int (40 , "" , inline="4" , group= "False Break Color") falseBearTransp = input.int (40 , "" , inline="4" , group= "False Break Color") arrowMax = input.int (75 , "" , inline="4" , group= "False Break Color" , tooltip= falseBreakTip) moveBull = input.color (#64b5f6, "" , inline="5" , group= "Moves From S&R Color") moveBear = input.color (#ffeb3b, "" , inline="5" , group= "Moves From S&R Color") moveBullTransp = input.int (40 , "" , inline="5" , group= "Moves From S&R Color") moveBearTransp = input.int (40 , "" , inline="5" , group= "Moves From S&R Color" , tooltip= moveTip) alertMode = input.string (alert.freq_once_per_bar_close , "Alerts Mode" , group = "Alert Frequency", options= [alert.freq_once_per_bar, alert.freq_once_per_bar_close]) // ================================== // // -----> Immutable Constants <------ // // ================================== // sync = bar_index confirmed = barstate.isconfirmed var pivotHigh = array.new_box (nPiv) var pivotLows = array.new_box (nPiv) var highBull = array.new_bool (nPiv) var lowsBull = array.new_bool (nPiv) var bullBorder = color.new (bullCol, bordTransp) var bullBgCol = color.new (bullCol, bgTransp) var bearBorder = color.new (bearCol, bordTransp) var bearBgCol = color.new (bearCol, bgTransp) var upCol = color.new (bullBreak, bullTransp) var dnCol = color.new (bearBreak, bearTransp) var supCol = color.new (resBreakCol, resBreakTransp) var resCol = color.new (supBreakCol, supBreakTransp) var fBull = color.new (falseBullCol, falseBullTransp) var fBear = color.new (falseBearCol, falseBearTransp) var moveBullCol = color.new (moveBull, moveBullTransp) var moveBearCol = color.new (moveBear, moveBearTransp) haSrc = src == "HA" hiLoSrc = src == "High/Low" // ================================== // // ---> Functional Declarations <---- // // ================================== // _haBody() => haClose = (open + high + low + close) / 4 haOpen = float(na) haOpen := na(haOpen[1]) ? (open + close) / 2 : (nz(haOpen[1]) + nz(haClose[1])) / 2 [haOpen, haClose] _arrayLoad(_x, _max, _val) => array.unshift (_x, _val) if array.size (_x) > _max array.pop (_x) _getBox(_x,_i) => _box = array.get (_x,_i) _t = box.get_top (_box) _b = box.get_bottom (_box) [_t, _b] _align(_x,_y) => for i = 0 to array.size (_x) -1 [_T, _B] = _getBox (_y, 0) [_t, _b] = _getBox (_x, i) if _T > _b and _T < _t or _B < _t and _B > _b or _T > _t and _B < _b or _B > _b and _T < _t box.set_top (array.get (_y, 0), _t) box.set_bottom (array.get (_y, 0), _b) _extend(_x) => for i = 0 to array.size (_x)-1 box.set_right (array.get (_x, i), sync) _color(_x, _y) => var int _track = nPiv for i = 0 to array.size (_x) -1 [t_, b_] = _getBox (_x, i) _isBull = array.get (_y, i) if close > t_ and not _isBull array.set(_x, i, box.new( sync, t_, sync, b_, xloc = xloc.bar_index, border_color = bullBorder, bgcolor = bullBgCol)) array.set(_y, i, true) _track += 1 if close < b_ and _isBull array.set(_x, i, box.new( sync, t_, sync, b_, xloc = xloc.bar_index, border_color = bearBorder, bgcolor = bearBgCol)) array.set(_y, i, false) _track -= 1 _track _detect(_x,_y) => int _i = 0 bool _found = false bool _isBull = na while (not _found and _i < array.size (_x) ) [t_, b_] = _getBox (_x,_i) if low < t_ and high > b_ _isBull := array.get (_y,_i) _found := true _i += 1 [_found, _isBull] _falseBreak(_l) => bool _d = false bool _u = false for i = 1 to lookback if _l[i] < _l and _l[i+1] >= _l and _l[1] < _l _d := true if _l[i] > _l and _l[i+1] <= _l and _l[1] > _l _u := true [_d, _u] _numLevel(_x,_y) => int _above = 0 int _fill = 0 for i = 0 to array.size (_x)-1 _isBull = array.get (_x,i) if _isBull _above += 1 if not na(_isBull) _fill += 1 for i = 0 to array.size (_y)-1 _isBull = array.get (_y,i) if _isBull _above += 1 if not na(_isBull) _fill += 1 [_above, _fill] _check(_src,_l) => bool _check = false for i = 0 to _l if _src[i] _check := true _check // ================================== // // ----> Variable Calculations <----- // // ================================== // highest = close == ta.highest (close, right) lowest = close == ta.lowest (close, right) closeLows = ta.lowest (close, swing) closeHigh = ta.highest (close, swing) [open_, close_] = _haBody () hiHaBod = math.max (close_, open_) loHaBod = math.min (close_, open_) hiBod = math.max (close, open) loBod = math.min (close, open) srcHigh = haSrc ? hiHaBod : hiLoSrc ? high : hiBod srcLow = haSrc ? loHaBod : hiLoSrc ? low : loBod pivot_high = ta.pivothigh (srcHigh, left, right) pivot_low = ta.pivotlow (srcLow, left, right) perc = close* (per/100) atr = ta.atr (atrLen)* mult band = math.min (atr, perc) [right] /2 HH = pivot_high+ band HL = pivot_high- band LH = pivot_low+ band LL = pivot_low- band coDiff = close - open // ================================== // // --------> Logical Order <--------- // // ================================== // if pivot_high and dhighs and confirmed _arrayLoad (highBull, nPiv, false) _arrayLoad (pivotHigh, nPiv, box.new( sync[right], HH, sync, HL, xloc = xloc.bar_index, border_color = bearBorder, bgcolor = bearBgCol)) if pivot_low and dlows and confirmed _arrayLoad (lowsBull, nPiv, true) _arrayLoad (pivotLows, nPiv, box.new( sync[right], LH, sync, LL, xloc = xloc.bar_index, border_color = bullBorder, bgcolor = bullBgCol)) if alignZones _align (pivotHigh, pivotHigh) _align (pivotHigh, pivotLows) _align (pivotLows, pivotLows) _align (pivotLows, pivotHigh) _extend (pivotHigh) _extend (pivotLows) trackHigh = _color (pivotHigh, highBull) trackLows = _color (pivotLows, lowsBull) // ================================== // // ----> Conditional Parameters <---- // // ================================== // isLows = closeLows == close isHigh = closeHigh == close wasLows = _check (isLows, lookback) wasHigh = _check (isHigh, lookback) [above, total] = _numLevel (highBull, lowsBull) moveAbove = trackHigh > trackHigh[1] moveBelow = trackLows < trackLows[1] resBreak = (trackLows > trackLows[1] or moveAbove) supBreak = (trackHigh < trackHigh[1] or moveBelow) breakOut = moveAbove and highest and above == total breakDwn = moveBelow and lowest and above == 0 [dh, uh] = _falseBreak (trackHigh) [dl, ul] = _falseBreak (trackLows) falseBreakBull = wasLows and (dh or dl) falseBreakBear = wasHigh and (uh or ul) [fh,hb] = _detect (pivotHigh, highBull) [fl,lb] = _detect (pivotLows, lowsBull) bullCheck = not resBreak and not resBreak[1] and (fh or fl) and close > open and (hb or lb) bearCheck = not supBreak and not supBreak[1] and (fh or fl) and close < open and not (hb or lb) // ================================== // // ------> Graphical Display <------- // // ================================== // plotFalseDn = falseBull and falseBreakBull plotFalseUp = falseBear and falseBreakBear falseUpCol = plotFalseUp ? upCol : na falseDnCol = plotFalseDn ? dnCol : na plotBreakOut = breakOut and detectBO and not plotFalseDn plotBreakDn = breakDwn and detectBD and not plotFalseUp plotResBreak = resBreak and breakUp and not (plotBreakOut or plotFalseDn) plotSupBreak = supBreak and breakDn and not (plotBreakDn or plotFalseUp) plotBullCheck = bullCheck and supPush plotBearCheck = bearCheck and resPush plotarrow (plotFalseUp ? coDiff : na , colorup = fBull, colordown= fBear, maxheight= arrowMax) plotarrow (plotFalseDn ? coDiff : na , colorup = fBull, colordown= fBear, maxheight= arrowMax) plotshape (plotBreakOut , style=shape.arrowup , location=location.belowbar, color= upCol) plotshape (plotBreakDn , style=shape.arrowdown , location=location.abovebar, color= dnCol) plotshape (plotResBreak , style=shape.arrowup , location=location.belowbar, color= supCol) plotshape (plotSupBreak , style=shape.arrowdown , location=location.abovebar, color= resCol) plotshape (plotBullCheck , style=shape.triangleup , location=location.belowbar, color= moveBullCol) plotshape (plotBearCheck , style=shape.triangledown, location=location.abovebar, color= moveBearCol) // ================================== // // -----> Alert Functionality <------ // // ================================== // alertcondition (resBreak , 'Resistance break' , 'Resistance broke on {{interval}} chart. Price is {{close}}') alertcondition (supBreak , 'Support break' , 'Support broke on {{interval}} chart. Price is {{close}}') alertcondition (bullCheck , 'Found Support' , 'Pushing Off Key Level Support on {{interval}} chart. Price is {{close}}') alertcondition (bearCheck , 'Found Resistance' , 'Pushing Off Key Level Resistance on {{interval}} chart. Price is {{close}}') alertcondition (falseBreakBull , 'False Break Down' , 'False Break Down on {{interval}} chart. Price is {{close}}') alertcondition (falseBreakBear , 'False Break Up' , 'False Break Up on {{interval}} chart. Price is {{close}}') alertcondition (breakOut , 'Breakout' , 'Breakout on {{interval}} chart. Price is {{close}}') alertcondition (breakDwn , 'Breakdown' , 'Breakdown on {{interval}} chart. Price is {{close}}') if plotResBreak alert ('Resistance broke on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotSupBreak alert ('Resistance broke on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotBullCheck alert ('Pushing Off Key Level Support on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotBearCheck alert ('Pushing Off Key Level Resistance on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotFalseDn alert ('False Break Down on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotFalseUp alert ('False Break Up on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotBreakOut alert ('Breakout on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) if plotBreakDn alert ('Breakdown on ' + timeframe.period + ' chart. Price is ' + str.tostring(close), alertMode) // END
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Re: Fibonacci, Trendlines, Support Resistance & Pivot Point Indicators MT4
Woodyz, Fri Dec 03, 2021 10:01 pm
