本页源码来自 TradingView 公开发布的开源脚本，版权归原作者所有， 请遵循其原始许可（Pine 脚本常见 CC BY-NC-SA / MPL-2.0 / MIT）。 本项目仅用于研究检索与许可范围内的移植。
// This work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
// https://creativecommons.org/licenses/by-nc-sa/4.0/
// © BigBeluga
//@version=6
indicator("Dynamic Trend Bands & Anchored VWAP Signals [BigBeluga]", "Dynamic Trend Bands & Signals [BigBeluga]", overlay = true, max_bars_back = 5000, max_labels_count = 500, max_polylines_count = 100, calc_bars_count = 5000)
// ＩＮＰＵＴＳ ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――{
int lrLength = input.int(50, minval=1, title="Baseline Length", tooltip="Sets the period for the central moving average baseline calculation.")
int atrLength = input.int(100, minval=1, title="ATR Volatility Length", tooltip="Determines the number of bars used to measure market volatility for band spacing.")
float atrMult = input.float(3.0, minval=0.1, step=0.1, title="ATR Band Multiplier", tooltip="Multiplies the volatility value to widen or narrow the outer support/resistance bands.")
int pivotLength = input.int(10, minval=1, title="Pivot Point Detection Length", tooltip="The number of bars required on each side to confirm a valid market structural high or low pivot.")
// Style & Color Inputs
color bullColor = input.color(color.lime, title="Bullish / Up Color", group="Color Settings")
color bearColor = input.color(color.rgb(158, 55, 255), title="Bearish / Down Color", group="Color Settings")
// Dashboard Settings
bool showDash = input.bool(true, title="Show Information Dashboard", group="Dashboard Settings")
string dashPos = input.string(position.top_right, title="Dashboard Position", options=[position.top_right, position.top_left, position.bottom_right, position.bottom_left], group="Dashboard Settings")
// }
// ＣＡＬＣＵＬＡＴＩＯＮＳ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――{
// ── Volatility Band Calculations ──
float atrValue = ta.atr(atrLength)
float lrCenter = ta.ema(ta.ema(close, lrLength), lrLength)
float upperBand = lrCenter + (atrValue * atrMult)
float lowerBand = lrCenter - (atrValue * atrMult)
// ── State Tracking Logic ──
var int trendState = 0
if ta.crossover(close, upperBand)
trendState := 1
if ta.crossunder(close, lowerBand)
trendState := -1
float plotUpper = trendState == -1 ? upperBand : na
float plotLower = trendState == 1 ? lowerBand : na
// ── Signal & Tracking Variables ──
bool breakUp = false
bool breakDn = false
var float finalDeltaVolLow = 0.0
var float finalDeltaVolHigh = 0.0
var label lbl = na
// Clear the real-time tracking label on every new bar tick before rewriting
lbl.delete()
// ── Pivot & VWAP Logic (Low / Bearish Regime) ──
float pl = ta.pivotlow(pivotLength, pivotLength)
float l = ta.lowest(pivotLength)
bool lowPivot = low[1] == l and low > l
var int lowIndx = 0
var int lowIndex = 0
if trendState == -1
if lowPivot
lowIndx := bar_index - 1
if not na(pl)
lowIndex := lowIndx
float vwap = ta.vwap(low[1], lowPivot)
var polyline poly = na
chart.point[] cp = array.new<chart.point>()
if trendState == -1
if not na(pl) and trendState[pivotLength] == -1
cp.clear()
poly.delete()
poly := polyline.new(cp)
else if not na(poly)
poly.delete()
float loopDeltaVolLow = 0.0
for i = 0 to bar_index - lowIndex - 1
cp.push(chart.point.from_index(bar_index - i, vwap[i]))
loopDeltaVolLow := loopDeltaVolLow + (close[i] > open[i] ? volume[i] : -volume[i])
lbl := label.new(bar_index, vwap, str.tostring(loopDeltaVolLow, format.volume), textcolor = bearColor, color = color.new(bearColor, 100), style = label.style_label_left)
poly := polyline.new(cp, line_color = bearColor, line_style = line.style_dotted, line_width = 2)
if close <= vwap and na(pl)
poly := na
breakDn := true
finalDeltaVolLow := loopDeltaVolLow
// ── Pivot & VWAP Logic (High / Bullish Regime) ──
float ph = ta.pivothigh(pivotLength, pivotLength)
float h = ta.highest(pivotLength)
bool highPivot = high[1] == h and high < h
var polyline poly1 = na
chart.point[] cp1 = array.new<chart.point>()
var int highIndx = 0
var int highIndex = 0
if trendState == 1
if highPivot
highIndx := bar_index - 1
if not na(ph)
highIndex := highIndx
float vwap1 = ta.vwap(high[1], highPivot)
if trendState == 1
if not na(ph) and trendState[pivotLength] == 1
cp1.clear()
poly1.delete()
poly1 := polyline.new(cp1)
else if not na(poly1)
poly1.delete()
float loopDeltaVolHigh = 0.0
for i = 0 to bar_index - highIndex - 1
cp1.push(chart.point.from_index(bar_index - i, vwap1[i]))
loopDeltaVolHigh := loopDeltaVolHigh + (close[i] > open[i] ? volume[i] : -volume[i])
poly1 := polyline.new(cp1, line_color = bullColor, line_style = line.style_dotted, line_width = 2)
lbl := label.new(bar_index, vwap1, str.tostring(loopDeltaVolHigh, format.volume), textcolor = bullColor, color = color.new(bearColor, 100), style = label.style_label_left)
if close >= vwap1 and na(ph)
poly1 := na
breakUp := true
finalDeltaVolHigh := loopDeltaVolHigh
// ── State Reset Cleanup ──
if trendState != trendState[1]
poly.delete()
poly1.delete()
poly1 := na
poly := na
// ── Dashboard Persistent History Tracking ──
var string lastBreakType = "None"
var float lastBreakVol = 0.0
if breakUp
lastBreakType := "Bullish"
lastBreakVol := finalDeltaVolHigh
if breakDn
lastBreakType := "Bearish"
lastBreakVol := finalDeltaVolLow
// }
// ＰＬＯＴ ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――{
// ── Volatility Bands Plots ──
pup = plot(plotUpper, color=bearColor, linewidth=1, style=plot.style_linebr, title="Upper Resistance Band")
plo = plot(plotLower, color=bullColor, linewidth=1, style=plot.style_linebr, title="Lower Support Band")
pp = plot(close, "Price", editable = false, display = display.none)
pup1 = plot(plotUpper-atrValue, color=bearColor, linewidth=1, style=plot.style_linebr, title="Upper Resistance Band", linestyle = plot.linestyle_dotted)
plo1 = plot(plotLower+atrValue, color=bullColor, linewidth=1, style=plot.style_linebr, title="Lower Support Band", linestyle = plot.linestyle_dotted)
fill(pup, pup1, plotUpper, plotUpper-atrValue, color.new(bearColor, 70), color.new(bearColor, 100), title = "Upper Fill")
fill(plo, plo1, plotLower+atrValue, plotLower, color.new(bullColor, 100), color.new(bullColor, 70), title = "Lower Fill")
// ── Breakout/Breakdown Shapes ──
plotshape(breakUp, "Break Up Triangle", shape.triangleup, location.belowbar, color=bullColor, size = size.tiny)
plotshape(breakDn, "Break Dn Triangle", shape.triangledown, location.abovebar, bearColor, size = size.tiny)
// ── Dynamic Breakout Label Instantiation ──
if breakUp
label.new(
x=bar_index,
y=low,
text="Δ: " + str.tostring(finalDeltaVolHigh, "#,###"),
yloc=yloc.belowbar,
color=color.new(bullColor, 100),
textcolor=chart.fg_color,
style=label.style_label_up,
size=size.small
)
if breakDn
label.new(
x=bar_index,
y=high,
text= "Δ: " + str.tostring(finalDeltaVolLow, "#,###"),
yloc=yloc.abovebar,
color=color.new(bearColor, 100),
textcolor=chart.fg_color,
style=label.style_label_down,
size=size.small
)
// ── Dashboard Display Implementation ──
var table dashTable = table.new(dashPos, 2, 3, bgcolor=color.new(color.black, 20), border_color=chart.bg_color, border_width=1)
if showDash and barstate.islast
// Header Style Setup
color headerBg = color.new(color.black, 30)
// Row 0: Headers
table.cell(dashTable, 0, 0, "Metric", text_color=color.white, bgcolor=headerBg, text_size=size.small)
table.cell(dashTable, 1, 0, "Current Value", text_color=color.white, bgcolor=headerBg, text_size=size.small)
// Row 1: Trend State
string trendText = trendState == 1 ? "BULLISH" : trendState == -1 ? "BEARISH" : "NEUTRAL"
color trendBg = trendState == 1 ? color.new(bullColor, 30) : trendState == -1 ? color.new(bearColor, 30) : color.new(color.gray, 50)
table.cell(dashTable, 0, 1, "Current Trend", text_color=color.white, bgcolor=color.new(color.gray, 15), text_size=size.small)
table.cell(dashTable, 1, 1, trendText, text_color=color.white, bgcolor=trendBg, text_size=size.small)
// Row 2: Last Breakout Status
color breakBg = lastBreakType == "Bullish" ? color.new(bullColor, 40) : lastBreakType == "Bearish" ? color.new(bearColor, 40) : color.new(color.gray, 50)
string breakVal = lastBreakType == "None" ? "No Breakouts" : lastBreakType + " (Delta Vol: " + str.tostring(lastBreakVol, format.volume) + ")"
table.cell(dashTable, 0, 2, "Last Breakout", text_color=color.white, bgcolor=color.new(color.gray, 15), text_size=size.small)
table.cell(dashTable, 1, 2, breakVal, text_color=color.white, bgcolor=breakBg, text_size=size.small)
// }