添加新的支撑和压力位显示
This commit is contained in:
jackyu66git
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//@version=6
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// 功能：智能支撑/压力位识别系统（优化版）
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//
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// 核心改进：
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// ✅ 强度评分系统：综合触碰次数、反应幅度、成交量、时间衰减
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// ✅ 突破检测：识别有效突破并标记
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// ✅ S/R 转换：自动检测支撑变压力、压力变支撑
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// ✅ 区域显示：支持显示价格区域而非单一线条
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// ✅ 智能排序：按强度和距离综合评分选择最重要的水平
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// ✅ 性能优化：改进标签管理、减少重复计算
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// ✅ 接近预警：可选的价格接近提醒
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//
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// 使用场景：
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// 1. 震荡交易：在强支撑附近做多，强压力附近做空
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// 2. 突破交易：关注"突破"标记的水平线，确认趋势延续
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// 3. S/R转换：关注"转换"标记，这些是关键的心理价位
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// 4. 风险管理：根据最近S/R和强度分数设置止损位
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indicator("智能支撑/压力位 Pro", overlay=true, max_lines_count=250, max_labels_count=150, max_boxes_count=50)
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// ========== 输入参数 ========== //
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// 枢轴检测
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pivotGroup = "枢轴检测"
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leftBars = input.int(4, "左侧K线数", minval=1, group=pivotGroup)
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rightBars = input.int(4, "右侧K线数", minval=1, group=pivotGroup)
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lookbackBars = input.int(500, "回溯周期", minval=50, maxval=5000, group=pivotGroup)
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// 聚类与过滤
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clusterGroup = "聚类与过滤"
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atrLength = input.int(14, "ATR周期", minval=1, group=clusterGroup)
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clusterTolATR = input.float(0.3, "聚类容差 (×ATR)", step=0.05, minval=0.05, group=clusterGroup)
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minTouches = input.int(2, "最少触碰次数", minval=1, group=clusterGroup)
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minStrength = input.float(0, "最低强度分数", minval=0, maxval=100, step=5, group=clusterGroup, tooltip="0-100，越高要求越严格")
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// 强度评分权重
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strengthGroup = "强度评分"
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weightTouches = input.float(40, "触碰次数权重 %", minval=0, maxval=100, group=strengthGroup)
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weightReaction = input.float(30, "反应强度权重 %", minval=0, maxval=100, group=strengthGroup)
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weightVolume = input.float(20, "成交量权重 %", minval=0, maxval=100, group=strengthGroup)
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weightRecency = input.float(10, "时效性权重 %", minval=0, maxval=100, group=strengthGroup)
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reactionBars = input.int(5, "反应检测K线数", minval=1, maxval=20, group=strengthGroup, tooltip="检测触碰后多少根K线的价格反应")
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// 显示设置
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displayGroup = "显示设置"
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maxVisibleLevels = input.int(12, "最多显示水平数", minval=1, maxval=50, group=displayGroup)
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showAsZone = input.bool(false, "显示为区域", group=displayGroup, tooltip="用半透明区域代替线条")
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zoneWidthATR = input.float(0.15, "区域宽度 (×ATR)", step=0.05, minval=0.05, group=displayGroup)
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lineWidth = input.int(2, "线条宽度", minval=1, maxval=5, group=displayGroup)
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resistanceColor = input.color(#FF5252, "压力色", group=displayGroup)
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supportColor = input.color(#26A69A, "支撑色", group=displayGroup)
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breakoutColor = input.color(#FFA726, "突破色", group=displayGroup)
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flippedColor = input.color(#AB47BC, "转换色", group=displayGroup)
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// 标签设置
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labelGroup = "标签设置"
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showLabels = input.bool(true, "显示标签", inline="lbl1", group=labelGroup)
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showStrength = input.bool(true, "显示强度", inline="lbl1", group=labelGroup)
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showTouches = input.bool(true, "显示触碰", inline="lbl2", group=labelGroup)
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showBreakout = input.bool(true, "标记突破", inline="lbl2", group=labelGroup)
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showFlipped = input.bool(true, "标记转换", inline="lbl3", group=labelGroup)
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labelSize = input.string("Small", "标签大小", options=["Tiny", "Small", "Normal", "Large"], group=labelGroup)
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labelOffset = input.int(2, "标签偏移", minval=0, maxval=100, group=labelGroup)
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// 预警设置
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alertGroup = "预警设置"
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enableAlerts = input.bool(false, "启用接近预警", group=alertGroup)
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alertDistanceATR = input.float(0.5, "预警距离 (×ATR)", step=0.1, minval=0.1, group=alertGroup)
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// ========== 全局变量 ========== //
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var float[] levelPrices = array.new_float()
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var int[] levelTouches = array.new_int()
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var int[] levelSupportTouches = array.new_int()
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var int[] levelResistTouches = array.new_int()
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var int[] levelLastTouchBar = array.new_int()
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var int[] levelFirstTouchBar = array.new_int()
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var float[] levelReactionSum = array.new_float() // 累积反应幅度
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var float[] levelVolumeSum = array.new_float() // 累积成交量
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var bool[] levelBrokenUp = array.new_bool() // 向上突破
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var bool[] levelBrokenDown = array.new_bool() // 向下突破
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var bool[] levelFlipped = array.new_bool() // S/R转换
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var line[] levelLines = array.new_line()
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var box[] levelBoxes = array.new_box()
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var label[] levelLabels = array.new_label()
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// 计算
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atrValue = ta.atr(atrLength)
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clusterTolerance = atrValue * clusterTolATR
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avgVolume = ta.sma(volume, 50)
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// ========== 辅助函数 ========== //
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// 标签大小转换
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f_label_size(opt) =>
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switch opt
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"Tiny" => size.tiny
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"Small" => size.small
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"Normal" => size.normal
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"Large" => size.large
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=> size.small
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// 查找相近价位索引
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f_find_level(price, tolerance) =>
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int foundIdx = -1
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int sz = array.size(levelPrices)
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if sz > 0
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for i = 0 to sz - 1
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if math.abs(array.get(levelPrices, i) - price) <= tolerance
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foundIdx := i
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break
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foundIdx
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// 删除水平线
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f_remove_level(idx) =>
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if not na(array.get(levelLines, idx))
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line.delete(array.get(levelLines, idx))
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if not na(array.get(levelBoxes, idx))
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box.delete(array.get(levelBoxes, idx))
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if not na(array.get(levelLabels, idx))
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label.delete(array.get(levelLabels, idx))
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array.remove(levelPrices, idx)
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array.remove(levelTouches, idx)
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array.remove(levelSupportTouches, idx)
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array.remove(levelResistTouches, idx)
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array.remove(levelLastTouchBar, idx)
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array.remove(levelFirstTouchBar, idx)
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array.remove(levelReactionSum, idx)
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array.remove(levelVolumeSum, idx)
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array.remove(levelBrokenUp, idx)
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array.remove(levelBrokenDown, idx)
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array.remove(levelFlipped, idx)
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array.remove(levelLines, idx)
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array.remove(levelBoxes, idx)
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array.remove(levelLabels, idx)
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// 清理过期水平
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f_cleanup_old_levels() =>
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int sz = array.size(levelPrices)
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if sz > 0
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for k = 0 to sz - 1
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i = sz - 1 - k
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if bar_index - array.get(levelLastTouchBar, i) > lookbackBars
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f_remove_level(i)
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// 计算反应强度（触碰后的价格变化）
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f_calculate_reaction(price, isResistance, touchBar) =>
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float reaction = 0.0
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if bar_index >= touchBar + reactionBars
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// 检查触碰后的价格变化
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float maxMove = 0.0
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for j = 1 to reactionBars
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if touchBar + j <= bar_index
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barIdx = touchBar + j
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priceMove = isResistance ? (price - low[bar_index - barIdx]) : (high[bar_index - barIdx] - price)
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maxMove := math.max(maxMove, priceMove)
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reaction := maxMove
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reaction
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// 计算强度分数 (0-100)
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f_calculate_strength(idx) =>
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touches = array.get(levelTouches, idx)
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reactionSum = array.get(levelReactionSum, idx)
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volumeSum = array.get(levelVolumeSum, idx)
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lastBar = array.get(levelLastTouchBar, idx)
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firstBar = array.get(levelFirstTouchBar, idx)
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// 归一化各项指标
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touchScore = math.min(touches / 10.0, 1.0) * 100 // 10次触碰为满分
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avgReaction = touches > 0 ? reactionSum / touches : 0
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reactionScore = math.min(avgReaction / (atrValue * 2), 1.0) * 100 // 2倍ATR反应为满分
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avgVol = touches > 0 ? volumeSum / touches : 0
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volumeScore = avgVolume > 0 ? math.min(avgVol / avgVolume, 2.0) / 2.0 * 100 : 50
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// 时效性：越近期越高分
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barsSinceTouch = bar_index - lastBar
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recencyScore = math.max(0, 100 - (barsSinceTouch / lookbackBars * 100))
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// 加权计算总分
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totalWeight = weightTouches + weightReaction + weightVolume + weightRecency
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float strength = 50.0
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if totalWeight > 0
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strength := (touchScore * weightTouches + reactionScore * weightReaction + volumeScore * weightVolume + recencyScore * weightRecency) / totalWeight
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strength
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// 检测突破
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f_check_breakout(idx) =>
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price = array.get(levelPrices, idx)
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supTouches = array.get(levelSupportTouches, idx)
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resTouches = array.get(levelResistTouches, idx)
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wasResistance = resTouches >= supTouches
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brokenUp = false
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brokenDown = false
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flipped = false
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// 突破判断：收盘价显著突破水平（超过容差）
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if close > price + clusterTolerance and wasResistance
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brokenUp := true
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// S/R转换：突破后价格站稳，原压力变支撑
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if close > price and low < price + clusterTolerance * 2
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flipped := true
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else if close < price - clusterTolerance and not wasResistance
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brokenDown := true
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// S/R转换：跌破后，原支撑变压力
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if close < price and high > price - clusterTolerance * 2
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flipped := true
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[brokenUp, brokenDown, flipped]
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// 添加或更新水平
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f_add_or_update_level(price, isResistance) =>
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idx = f_find_level(price, clusterTolerance)
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if idx == -1
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// 新建水平
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array.push(levelPrices, price)
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array.push(levelTouches, 1)
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array.push(levelSupportTouches, isResistance ? 0 : 1)
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array.push(levelResistTouches, isResistance ? 1 : 0)
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array.push(levelLastTouchBar, bar_index)
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array.push(levelFirstTouchBar, bar_index)
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array.push(levelReactionSum, 0.0)
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array.push(levelVolumeSum, volume)
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array.push(levelBrokenUp, false)
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array.push(levelBrokenDown, false)
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array.push(levelFlipped, false)
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array.push(levelLines, na)
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array.push(levelBoxes, na)
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array.push(levelLabels, na)
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else
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// 更新现有水平
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oldPrice = array.get(levelPrices, idx)
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touches = array.get(levelTouches, idx)
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newTouches = touches + 1
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// 加权平均更新价格
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newPrice = (oldPrice * touches + price) / newTouches
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array.set(levelPrices, idx, newPrice)
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array.set(levelTouches, idx, newTouches)
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array.set(levelLastTouchBar, idx, bar_index)
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// 更新支撑/压力计数
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if isResistance
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array.set(levelResistTouches, idx, array.get(levelResistTouches, idx) + 1)
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else
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array.set(levelSupportTouches, idx, array.get(levelSupportTouches, idx) + 1)
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// 累积成交量
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array.set(levelVolumeSum, idx, array.get(levelVolumeSum, idx) + volume)
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// 计算并累积反应强度（需要等待几根K线）
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touchBar = array.get(levelLastTouchBar, idx)
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reaction = f_calculate_reaction(price, isResistance, touchBar - newTouches + 1)
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if reaction > 0
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array.set(levelReactionSum, idx, array.get(levelReactionSum, idx) + reaction)
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// 绘制水平线
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f_draw_levels() =>
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int sz = array.size(levelPrices)
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// 收集有效候选
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var int[] candidates = array.new_int()
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array.clear(candidates)
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if sz > 0
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for i = 0 to sz - 1
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touches = array.get(levelTouches, i)
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lastBar = array.get(levelLastTouchBar, i)
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strength = f_calculate_strength(i)
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if touches >= minTouches and bar_index - lastBar <= lookbackBars and strength >= minStrength
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array.push(candidates, i)
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// 综合评分排序选择（距离×强度）
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var int[] selected = array.new_int()
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array.clear(selected)
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int candSz = array.size(candidates)
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if candSz > 0
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int selectCount = math.min(maxVisibleLevels, candSz)
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for _ = 0 to selectCount - 1
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if array.size(candidates) == 0
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break
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int bestPos = -1
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float bestScore = -1
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int curSz = array.size(candidates)
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if curSz > 0
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for pos = 0 to curSz - 1
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idx = array.get(candidates, pos)
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price = array.get(levelPrices, idx)
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strength = f_calculate_strength(idx)
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// 距离因素（归一化）
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distance = math.abs(close - price)
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maxDistance = high - low > 0 ? high - low : atrValue
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distanceFactor = 1.0 - math.min(distance / (maxDistance * 5), 1.0)
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// 综合评分：强度占70%，距离占30%
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score = strength * 0.7 + distanceFactor * 100 * 0.3
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if score > bestScore
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bestScore := score
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bestPos := pos
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if bestPos != -1
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array.push(selected, array.get(candidates, bestPos))
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array.remove(candidates, bestPos)
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// 标记选中的水平
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var bool[] isSelected = array.new_bool()
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array.clear(isSelected)
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if sz > 0
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for _ = 0 to sz - 1
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array.push(isSelected, false)
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int selSz = array.size(selected)
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if selSz > 0 and sz > 0
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for j = 0 to selSz - 1
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idx = array.get(selected, j)
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if idx >= 0 and idx < sz
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array.set(isSelected, idx, true)
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// 绘制或更新图形
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if sz > 0
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for i = 0 to sz - 1
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price = array.get(levelPrices, i)
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supTouches = array.get(levelSupportTouches, i)
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resTouches = array.get(levelResistTouches, i)
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isRes = resTouches >= supTouches
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// 检测突破和转换
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[brokenUp, brokenDown, flipped] = f_check_breakout(i)
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array.set(levelBrokenUp, i, brokenUp)
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array.set(levelBrokenDown, i, brokenDown)
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if flipped
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array.set(levelFlipped, i, true)
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// 确定颜色
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color col = supportColor
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if array.get(levelFlipped, i) and showFlipped
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col := flippedColor
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else if (brokenUp or brokenDown) and showBreakout
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col := breakoutColor
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else if isRes
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col := resistanceColor
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else
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col := supportColor
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if array.get(isSelected, i)
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// 绘制水平线
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int xRight = bar_index
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int xLeft = math.max(0, bar_index - lookbackBars)
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if showAsZone
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// 绘制区域
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float zoneWidth = atrValue * zoneWidthATR
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float top = price + zoneWidth / 2
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float bottom = price - zoneWidth / 2
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bx = array.get(levelBoxes, i)
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if na(bx)
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bx := box.new(left=xLeft, top=top, right=xRight, bottom=bottom,
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border_color=col, bgcolor=color.new(col, 90),
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border_width=1, border_style=line.style_dashed)
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array.set(levelBoxes, i, bx)
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else
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box.set_lefttop(bx, xLeft, top)
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box.set_rightbottom(bx, xRight, bottom)
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box.set_border_color(bx, col)
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box.set_bgcolor(bx, color.new(col, 90))
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else
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// 绘制线条
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ln = array.get(levelLines, i)
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if na(ln)
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ln := line.new(x1=xLeft, y1=price, x2=xRight, y2=price,
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color=col, width=lineWidth, style=line.style_dashed)
|
||||
array.set(levelLines, i, ln)
|
||||
else
|
||||
line.set_xy1(ln, xLeft, price)
|
||||
line.set_xy2(ln, xRight, price)
|
||||
line.set_color(ln, col)
|
||||
line.set_width(ln, lineWidth)
|
||||
|
||||
// 绘制标签
|
||||
if showLabels
|
||||
touches = array.get(levelTouches, i)
|
||||
strength = f_calculate_strength(i)
|
||||
|
||||
// 构建标签文本
|
||||
string lblText = isRes ? "R" : "S"
|
||||
lblText += " " + str.tostring(price, format.price)
|
||||
|
||||
if showStrength
|
||||
lblText += " [" + str.tostring(math.round(strength), "#") + "]"
|
||||
|
||||
if showTouches
|
||||
lblText += " ×" + str.tostring(touches)
|
||||
|
||||
if array.get(levelFlipped, i) and showFlipped
|
||||
lblText += " 🔄"
|
||||
else if brokenUp and showBreakout
|
||||
lblText += " ⬆️"
|
||||
else if brokenDown and showBreakout
|
||||
lblText += " ⬇️"
|
||||
|
||||
lb = array.get(levelLabels, i)
|
||||
// 只在文本或位置变化时重建
|
||||
bool needsUpdate = na(lb)
|
||||
if not needsUpdate and not na(lb)
|
||||
oldY = label.get_y(lb)
|
||||
if math.abs(oldY - price) > syminfo.mintick
|
||||
needsUpdate := true
|
||||
|
||||
if needsUpdate
|
||||
if not na(lb)
|
||||
label.delete(lb)
|
||||
|
||||
lblX = bar_index + labelOffset
|
||||
lb := label.new(x=lblX, y=price, text=lblText,
|
||||
style=label.style_label_left,
|
||||
color=color.new(col, 85),
|
||||
textcolor=color.white,
|
||||
size=f_label_size(labelSize))
|
||||
array.set(levelLabels, i, lb)
|
||||
else if not na(lb)
|
||||
label.set_text(lb, lblText)
|
||||
label.set_x(lb, bar_index + labelOffset)
|
||||
label.set_color(lb, color.new(col, 85))
|
||||
else
|
||||
// 删除未选中的图形
|
||||
if not na(array.get(levelLines, i))
|
||||
line.delete(array.get(levelLines, i))
|
||||
array.set(levelLines, i, na)
|
||||
if not na(array.get(levelBoxes, i))
|
||||
box.delete(array.get(levelBoxes, i))
|
||||
array.set(levelBoxes, i, na)
|
||||
if not na(array.get(levelLabels, i))
|
||||
label.delete(array.get(levelLabels, i))
|
||||
array.set(levelLabels, i, na)
|
||||
|
||||
// ========== 主逻辑 ========== //
|
||||
|
||||
// 检测枢轴点
|
||||
pivotHigh = ta.pivothigh(high, leftBars, rightBars)
|
||||
pivotLow = ta.pivotlow(low, leftBars, rightBars)
|
||||
|
||||
// 添加水平
|
||||
if not na(pivotHigh)
|
||||
f_add_or_update_level(pivotHigh, true)
|
||||
|
||||
if not na(pivotLow)
|
||||
f_add_or_update_level(pivotLow, false)
|
||||
|
||||
// 清理和绘制
|
||||
f_cleanup_old_levels()
|
||||
f_draw_levels()
|
||||
|
||||
// 计算最近的支撑和压力
|
||||
var float nearestSupport = na
|
||||
var float nearestResistance = na
|
||||
float bestSup = na
|
||||
float bestRes = na
|
||||
int sz = array.size(levelPrices)
|
||||
|
||||
if sz > 0
|
||||
for i = 0 to sz - 1
|
||||
touches = array.get(levelTouches, i)
|
||||
lastBar = array.get(levelLastTouchBar, i)
|
||||
if touches >= minTouches and bar_index - lastBar <= lookbackBars
|
||||
price = array.get(levelPrices, i)
|
||||
if price < close
|
||||
bestSup := na(bestSup) ? price : math.max(bestSup, price)
|
||||
else if price > close
|
||||
bestRes := na(bestRes) ? price : math.min(bestRes, price)
|
||||
|
||||
nearestSupport := bestSup
|
||||
nearestResistance := bestRes
|
||||
|
||||
// 绘制最近S/R参考线
|
||||
plot(nearestSupport, "最近支撑", color=color.new(supportColor, 70), linewidth=1, style=plot.style_circles)
|
||||
plot(nearestResistance, "最近压力", color=color.new(resistanceColor, 70), linewidth=1, style=plot.style_circles)
|
||||
|
||||
// 接近预警
|
||||
if enableAlerts
|
||||
alertDistance = atrValue * alertDistanceATR
|
||||
if not na(nearestSupport) and math.abs(close - nearestSupport) < alertDistance
|
||||
alert("价格接近支撑位: " + str.tostring(nearestSupport, format.price), alert.freq_once_per_bar)
|
||||
if not na(nearestResistance) and math.abs(close - nearestResistance) < alertDistance
|
||||
alert("价格接近压力位: " + str.tostring(nearestResistance, format.price), alert.freq_once_per_bar)
|
||||
|
||||
// 在图表上显示统计信息
|
||||
if barstate.islast and sz > 0
|
||||
var table statsTable = table.new(position.top_right, 2, 4, border_width=1)
|
||||
|
||||
int validLevels = 0
|
||||
float avgStrength = 0.0
|
||||
for i = 0 to sz - 1
|
||||
touches = array.get(levelTouches, i)
|
||||
if touches >= minTouches
|
||||
validLevels += 1
|
||||
avgStrength += f_calculate_strength(i)
|
||||
|
||||
if validLevels > 0
|
||||
avgStrength := avgStrength / validLevels
|
||||
|
||||
table.cell(statsTable, 0, 0, "水平线数", text_color=color.white, bgcolor=color.gray)
|
||||
table.cell(statsTable, 1, 0, str.tostring(validLevels), text_color=color.white, bgcolor=color.gray)
|
||||
|
||||
table.cell(statsTable, 0, 1, "平均强度", text_color=color.white, bgcolor=color.gray)
|
||||
table.cell(statsTable, 1, 1, str.tostring(math.round(avgStrength), "#"), text_color=color.white, bgcolor=color.gray)
|
||||
|
||||
table.cell(statsTable, 0, 2, "最近支撑", text_color=color.white, bgcolor=supportColor)
|
||||
table.cell(statsTable, 1, 2, not na(nearestSupport) ? str.tostring(nearestSupport, format.price) : "—",
|
||||
text_color=color.white, bgcolor=supportColor)
|
||||
|
||||
table.cell(statsTable, 0, 3, "最近压力", text_color=color.white, bgcolor=resistanceColor)
|
||||
table.cell(statsTable, 1, 3, not na(nearestResistance) ? str.tostring(nearestResistance, format.price) : "—",
|
||||
text_color=color.white, bgcolor=resistanceColor)
|
||||
|
||||
Reference in New Issue
Block a user