DeMark789 Indicator

// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0 at mozilla.org/MPL/2.0/
// © altonfung

//version=6
indicator("DeMark9 Indicator", overlay=true)

//--- DeMark9 信號有效性 ---
demarkSignalValidBars = input.int(1, title="DeMark9 Signal Valid Bars", minval=0)

//=== 3. DeMark9 指標 (偵測多/空信號) ===//
var int TD = 0
var int TS = 0

TD := close > close[4] ? nz(TD[1]) + 1 : 0
TS := close < close[4] ? nz(TS[1]) + 1 : 0

TDUp = TD - ta.valuewhen(TD < TD[1], TD, 1) // 賣出訊號 (DeMark9)
TDDn = TS - ta.valuewhen(TS < TS[1], TS, 1) // 買入訊號 (DeMark9)

//--- 新增：輸入參數控制7和8計數的顯示 ---
showCount7 = input.bool(true, title="顯示計數7")
showCount8 = input.bool(true, title="顯示計數8")

//=== 3.2 在圖上標註 DeMark9 Shape (包括計數7和8) ===//
// 標記買入序列計數7 (紫色圓圈)
plotshape(showCount7 and (TDDn == 7) ? true : false, style=shape.circle, text='7',
color=color.purple, location=location.belowbar, size=size.small)

// 標記買入序列計數8 (藍色圓圈)
plotshape(showCount8 and (TDDn == 8) ? true : false, style=shape.circle, text='8',
color=color.blue, location=location.belowbar, size=size.small)

// 標記賣出序列計數7 (紫色圓圈)
plotshape(showCount7 and (TDUp == 7) ? true : false, style=shape.circle, text='7',
color=color.purple, location=location.abovebar, size=size.small)

// 標記賣出序列計數8 (藍色圓圈)
plotshape(showCount8 and (TDUp == 8) ? true : false, style=shape.circle, text='8',
color=color.blue, location=location.abovebar, size=size.small)

// 原有的計數9標記 (最終信號)
plotshape(TDUp == 9 ? true : false, style=shape.triangledown, text='9-SELL',
color=color.rgb(236, 12, 12), location=location.abovebar, size=size.normal)
plotshape(TDDn == 9 ? true : false, style=shape.triangleup, text='9-BUY',
color=color.new(#1cf75e, 0), location=location.belowbar, size=size.normal)