如何只计算屏幕脚本上的最新烛光 [英] How to calculate only latest candle on a screener script
本文介绍了如何只计算屏幕脚本上的最新烛光的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
study("SniperVX", overlay=true, shorttitle="Vdub_SniperBX_v1")
slow = 8
fast = 5
vh1 = ema(highest(avg(low, close), fast), 5)
vl1 = ema(lowest(avg(high, close), slow), 8)
//
e_ema1 = ema(close, 1)
e_ema2 = ema(e_ema1, 1)
e_ema3 = ema(e_ema2, 1)
tema = 1 * (e_ema1 - e_ema2) + e_ema3
//
e_e1 = ema(close, 8)
e_e2 = ema(e_e1, 5)
dema = 2 * e_e1 - e_e2
signal = tema > dema ? max(vh1, vl1) : min(vh1, vl1)
is_call = tema > dema and signal > low and (signal-signal[1] > signal[1]-signal[2])
is_put = tema < dema and signal < high and (signal[1]-signal > signal[2]-signal[1])
//plotshape(is_put ? -1 : na, title="SELL ARROW", color=red, text="*SELL*", style=shape.arrowdown)
//
//Modified - Rajandran R Supertrend----------------------------------------------------- // Signal 2
Factor=input(1, minval=1,maxval = 000, title="Trend Transition Signal")
Pd=input(1, minval=1,maxval = 100)
Up=hl2-(Factor*atr(Pd))
Dn=hl2+(Factor*atr(Pd))
TrendUp=close[1]>TrendUp[1]? max(Up,TrendUp[1]) : Up
TrendDown=close[1]<TrendDown[1]? min(Dn,TrendDown[1]) : Dn
Trend = close > TrendDown[1] ? 1: close< TrendUp[1]? -1: nz(Trend[1],0)
plotarrow(Trend == 1 and Trend[1] == -1 ? Trend : na, title="Up Entry Arrow", colorup=lime, maxheight=1000, minheight=50, transp=85)
plotarrow(Trend == -1 and Trend[1] == 1 ? Trend : na, title="Down Entry Arrow", colordown=red, maxheight=1000, minheight=50, transp=85)
plotshape(Trend == 1 and Trend[1] == -1 and is_call ? 1 : na, title="BUY ARROW", color=yellow, text="BUY", style=shape.arrowdown, location=location.abovebar)
plotshape(Trend == -1 and Trend[1] == 1 and is_put ? -1 : na, title="SELL ARROW", color=red, text="SELL", style=shape.arrowdown, location=location.abovebar)
我正在尝试将其转换为筛选器，并使用此代码筛选40只股票
//@version=4
study("Help (Screener)", overlay=false)
// blocco 2
s1 = input('MIL:PIA', type=input.symbol)
s2 = input('MIL:BST', type=input.symbol)
s3 = input('MIL:MONC', type=input.symbol)
s4 = input('MIL:AMP', type=input.symbol)
s5 = input('MIL:TGYM', type=input.symbol)
s6 = input('MIL:BZU', type=input.symbol)
s7 = input('MIL:LR', type=input.symbol)
s8 = input('MIL:CVAL', type=input.symbol)
s9 = input('MIL:PRO', type=input.symbol)
s10 = input('MIL:RM', type=input.symbol)
s11 = input('MIL:CASS', type=input.symbol)
s12 = input('MIL:LIT', type=input.symbol)
s13 = input('MIL:BRE', type=input.symbol)
s14 = input('MIL:TFI', type=input.symbol)
s15 = input('MIL:PRL', type=input.symbol)
s16 = input('MIL:EXO', type=input.symbol)
s17 = input('MIL:GAB', type=input.symbol)
s18 = input('MIL:IKG', type=input.symbol)
s19 = input('MIL:PRT', type=input.symbol)
s20 = input('MIL:IMS', type=input.symbol)
s21 = input('MIL:IGD', type=input.symbol)
s22 = input('MIL:BGN', type=input.symbol)
s23 = input('MIL:MTV', type=input.symbol)
s24 = input('MIL:UNIR', type=input.symbol)
s25 = input('MIL:CAI', type=input.symbol)
s26 = input('MIL:SCK', type=input.symbol)
s27 = input('MIL:AEF', type=input.symbol)
s28 = input('MIL:MN', type=input.symbol)
s29 = input('MIL:IP', type=input.symbol)
s30 = input('MIL:CE', type=input.symbol)
s31 = input('MIL:FNM', type=input.symbol)
s32 = input('MIL:RWAY', type=input.symbol)
s33 = input('MIL:RCS', type=input.symbol)
s34 = input('MIL:BEST', type=input.symbol)
s35 = input('MIL:ERG', type=input.symbol)
s36 = input('MIL:EM', type=input.symbol)
s37 = input('MIL:TNXT', type=input.symbol)
s38 = input('MIL:BFE', type=input.symbol)
s39 = input('MIL:MARR', type=input.symbol)
s40 = input('MIL:GVS', type=input.symbol)
///////////////
// FUNCTIONS //
var Factor=input(1, minval=1,maxval = 000, title="Trend Transition Signal")
var Pd=input(1, minval=1,maxval = 100)
slow = 8
fast = 5
vh1 = ema(highest(avg(low, close), fast), 5)
vl1 = ema(lowest(avg(high, close), slow), 8)
e_ema1 = ema(close, 1)
e_ema2 = ema(e_ema1, 1)
e_ema3 = ema(e_ema2, 1)
tema = 1 * (e_ema1 - e_ema2) + e_ema3
//
e_e1 = ema(close, 8)
e_e2 = ema(e_e1, 5)
dema = 2 * e_e1 - e_e2
signal = tema > dema ? max(vh1, vl1) : min(vh1, vl1)
is_call = tema > dema and signal > low and (signal-signal[1] > signal[1]-signal[2])
is_put = tema < dema and signal < high and (signal[1]-signal > signal[2]-signal[1])
// Screener Function
screenerFunc() =>
Up=hl2-(Factor*atr(Pd))
Dn=hl2+(Factor*atr(Pd))
TrendUp = 0.0
TrendDown = 0.0
Trend = 0
TrendUp :=close[1]>TrendUp[1]? max(Up,TrendUp[1]) : Up
TrendDown :=close[1]<TrendDown[1]? min(Dn,TrendDown[1]) : Dn
Trend := close > TrendDown[1] ? 1: close< TrendUp[1]? -1: nz(Trend[1],0)
cond = Trend == 1 and Trend[1] == -1 and is_call
[Trend, cond]
// Rounding Function
roundn(x, n) =>
mult_local = 1
if n != 0
for i = 1 to abs(n)
mult_local := mult_local * 10
n >= 0 ? round(x * mult_local) / mult_local : round(x / mult_local) * mult_local
///////////////////////////////////////
// Running Functions for all sybmols //
[v1, c1] = security(s1, timeframe.period, screenerFunc())
[v2, c2] = security(s2, timeframe.period, screenerFunc())
[v3, c3] = security(s3, timeframe.period, screenerFunc())
[v4, c4] = security(s4, timeframe.period, screenerFunc())
[v5, c5] = security(s5, timeframe.period, screenerFunc())
[v6, c6] = security(s6, timeframe.period, screenerFunc())
[v7, c7] = security(s7, timeframe.period, screenerFunc())
[v8, c8] = security(s8, timeframe.period, screenerFunc())
[v9, c9] = security(s9, timeframe.period, screenerFunc())
[v10, c10] = security(s10, timeframe.period, screenerFunc())
[v11, c11] = security(s11, timeframe.period, screenerFunc())
[v12, c12] = security(s12, timeframe.period, screenerFunc())
[v13, c13] = security(s13, timeframe.period, screenerFunc())
[v14, c14] = security(s14, timeframe.period, screenerFunc())
[v15, c15] = security(s15, timeframe.period, screenerFunc())
[v16, c16] = security(s16, timeframe.period, screenerFunc())
[v17, c17] = security(s17, timeframe.period, screenerFunc())
[v18, c18] = security(s18, timeframe.period, screenerFunc())
[v19, c19] = security(s19, timeframe.period, screenerFunc())
[v20, c20] = security(s20, timeframe.period, screenerFunc())
[v21, c21] = security(s21, timeframe.period, screenerFunc())
[v22, c22] = security(s22, timeframe.period, screenerFunc())
[v23, c23] = security(s23, timeframe.period, screenerFunc())
[v24, c24] = security(s24, timeframe.period, screenerFunc())
[v25, c25] = security(s25, timeframe.period, screenerFunc())
[v26, c26] = security(s26, timeframe.period, screenerFunc())
[v27, c27] = security(s27, timeframe.period, screenerFunc())
[v28, c28] = security(s28, timeframe.period, screenerFunc())
[v29, c29] = security(s29, timeframe.period, screenerFunc())
[v30, c30] = security(s30, timeframe.period, screenerFunc())
[v31, c31] = security(s31, timeframe.period, screenerFunc())
[v32, c32] = security(s32, timeframe.period, screenerFunc())
[v33, c33] = security(s33, timeframe.period, screenerFunc())
[v34, c34] = security(s34, timeframe.period, screenerFunc())
[v35, c35] = security(s35, timeframe.period, screenerFunc())
[v36, c36] = security(s36, timeframe.period, screenerFunc())
[v37, c37] = security(s37, timeframe.period, screenerFunc())
[v38, c38] = security(s38, timeframe.period, screenerFunc())
[v39, c39] = security(s39, timeframe.period, screenerFunc())
[v40, c40] = security(s40, timeframe.period, screenerFunc())
////////////////////
// Screener label //
f_buildLabel(_c, _s, _v) =>
_c ? _s + ' ' + tostring(roundn(_v, 3)) + ' :: ' : ''
if barstate.islast
scr_label = ''
scr_label := scr_label + f_buildLabel(c1, s1, v1)
scr_label := scr_label + f_buildLabel(c2, s2, v2)
scr_label := scr_label + f_buildLabel(c3, s3, v3)
scr_label := scr_label + f_buildLabel(c4, s4, v4)
scr_label := scr_label + f_buildLabel(c5, s5, v5)
scr_label := scr_label + f_buildLabel(c6, s6, v6)
scr_label := scr_label + f_buildLabel(c7, s7, v7)
scr_label := scr_label + f_buildLabel(c8, s8, v8)
scr_label := scr_label + f_buildLabel(c9, s9, v9)
scr_label := scr_label + f_buildLabel(c10, s10, v10)
scr_label := scr_label + f_buildLabel(c11, s11, v11)
scr_label := scr_label + f_buildLabel(c12, s12, v12)
scr_label := scr_label + f_buildLabel(c13, s13, v13)
scr_label := scr_label + f_buildLabel(c14, s14, v14)
scr_label := scr_label + f_buildLabel(c15, s15, v15)
scr_label := scr_label + f_buildLabel(c16, s16, v16)
scr_label := scr_label + f_buildLabel(c17, s17, v17)
scr_label := scr_label + f_buildLabel(c18, s18, v18)
scr_label := scr_label + f_buildLabel(c19, s19, v19)
scr_label := scr_label + f_buildLabel(c20, s20, v20)
scr_label := scr_label + f_buildLabel(c21, s21, v21)
scr_label := scr_label + f_buildLabel(c22, s22, v22)
scr_label := scr_label + f_buildLabel(c23, s23, v23)
scr_label := scr_label + f_buildLabel(c24, s24, v24)
scr_label := scr_label + f_buildLabel(c25, s25, v25)
scr_label := scr_label + f_buildLabel(c26, s26, v26)
scr_label := scr_label + f_buildLabel(c27, s27, v27)
scr_label := scr_label + f_buildLabel(c28, s28, v28)
scr_label := scr_label + f_buildLabel(c29, s29, v29)
scr_label := scr_label + f_buildLabel(c30, s30, v30)
scr_label := scr_label + f_buildLabel(c31, s31, v31)
scr_label := scr_label + f_buildLabel(c32, s32, v32)
scr_label := scr_label + f_buildLabel(c33, s33, v33)
scr_label := scr_label + f_buildLabel(c34, s34, v34)
scr_label := scr_label + f_buildLabel(c35, s35, v35)
scr_label := scr_label + f_buildLabel(c36, s36, v36)
scr_label := scr_label + f_buildLabel(c37, s37, v37)
scr_label := scr_label + f_buildLabel(c38, s38, v38)
scr_label := scr_label + f_buildLabel(c39, s39, v39)
scr_label := scr_label + f_buildLabel(c40, s40, v40)
scr_label := scr_label + ""
// Plot Label
lab_l = label.new(
bar_index, 0, scr_label,
color=color.green,
textcolor=color.white,
style = label.style_labeldown,
yloc = yloc.price)
但它并不像我想要的那样工作，因为我希望只接收图表最新蜡烛中具有黄色形状的股票。箭头向下(买入)和石灰箭头仅。 (目前，screneer返回黄色形状的股票。arrowdown(买入)和一个石灰箭头 同样在10支或更多支蜡烛之前)。如何执行此操作？
推荐答案
海肯阿西蜡烛的脚本版本。还修复了函数screenerFunc。
重要！脚本的运行时间可能超过设置的限制。
//@version=4
study("Help (Screener) for HA", overlay=false)
// blocco 2
s1 = input('MIL:ITW', type=input.symbol)
s2 = input('MIL:BST', type=input.symbol)
s3 = input('MIL:MONC', type=input.symbol)
s4 = input('MIL:AMP', type=input.symbol)
s5 = input('MIL:TGYM', type=input.symbol)
s6 = input('MIL:BZU', type=input.symbol)
s7 = input('MIL:LR', type=input.symbol)
s8 = input('MIL:CVAL', type=input.symbol)
s9 = input('MIL:PRO', type=input.symbol)
s10 = input('MIL:RM', type=input.symbol)
s11 = input('MIL:CASS', type=input.symbol)
s12 = input('MIL:LIT', type=input.symbol)
s13 = input('MIL:BRE', type=input.symbol)
s14 = input('MIL:TFI', type=input.symbol)
s15 = input('MIL:PRL', type=input.symbol)
s16 = input('MIL:EXO', type=input.symbol)
s17 = input('MIL:GAB', type=input.symbol)
s18 = input('MIL:IKG', type=input.symbol)
s19 = input('MIL:PRT', type=input.symbol)
s20 = input('MIL:IMS', type=input.symbol)
s21 = input('MIL:IGD', type=input.symbol)
s22 = input('MIL:BGN', type=input.symbol)
s23 = input('MIL:MTV', type=input.symbol)
s24 = input('MIL:UNIR', type=input.symbol)
s25 = input('MIL:CAI', type=input.symbol)
s26 = input('MIL:SCK', type=input.symbol)
s27 = input('MIL:AEF', type=input.symbol)
s28 = input('MIL:MN', type=input.symbol)
s29 = input('MIL:IP', type=input.symbol)
s30 = input('MIL:CE', type=input.symbol)
s31 = input('MIL:FNM', type=input.symbol)
s32 = input('MIL:RWAY', type=input.symbol)
s33 = input('MIL:RCS', type=input.symbol)
s34 = input('MIL:BEST', type=input.symbol)
s35 = input('MIL:ERG', type=input.symbol)
s36 = input('MIL:EM', type=input.symbol)
s37 = input('MIL:TNXT', type=input.symbol)
s38 = input('MIL:BFE', type=input.symbol)
s39 = input('MIL:MARR', type=input.symbol)
s40 = input('MIL:GVS', type=input.symbol)
///////////////
// FUNCTIONS //
var Factor=input(1, minval=1, maxval = 9, title="Trend Transition Signal")
var Pd=input(1, minval=1, maxval = 9)
// Screener Function
screenerFunc() =>
slow = 8
fast = 5
vh1 = ema(highest(avg(low, close), fast), 5)
vl1 = ema(lowest(avg(high, close), slow), 8)
e_ema1 = ema(close, 1)
e_ema2 = ema(e_ema1, 1)
e_ema3 = ema(e_ema2, 1)
tema = 1 * (e_ema1 - e_ema2) + e_ema3
//
e_e1 = ema(close, 8)
e_e2 = ema(e_e1, 5)
dema = 2 * e_e1 - e_e2
signal = tema > dema ? max(vh1, vl1) : min(vh1, vl1)
is_call = tema > dema and signal > low and (signal-signal[1] > signal[1]-signal[2])
is_put = tema < dema and signal < high and (signal[1]-signal > signal[2]-signal[1])
Up=hl2-(Factor*atr(Pd))
Dn=hl2+(Factor*atr(Pd))
TrendUp = 0.0
TrendDown = 0.0
Trend = 0
TrendUp :=close[1]>TrendUp[1]? max(Up,TrendUp[1]) : Up
TrendDown :=close[1]<TrendDown[1]? min(Dn,TrendDown[1]) : Dn
Trend := close > TrendDown[1] ? 1: close< TrendUp[1]? -1: nz(Trend[1],0)
cond = Trend == 1 and Trend[1] == -1 and is_call
[Trend, cond]
// Rounding Function
roundn(x, n) =>
mult_local = 1
if n != 0
for i = 1 to abs(n)
mult_local := mult_local * 10
n >= 0 ? round(x * mult_local) / mult_local : round(x / mult_local) * mult_local
///////////////////////////////////////
// Running Functions for all sybmols //
[v1, c1] = security(heikinashi(s1), timeframe.period, screenerFunc())
[v2, c2] = security(heikinashi(s2), timeframe.period, screenerFunc())
[v3, c3] = security(heikinashi(s3), timeframe.period, screenerFunc())
[v4, c4] = security(heikinashi(s4), timeframe.period, screenerFunc())
[v5, c5] = security(heikinashi(s5), timeframe.period, screenerFunc())
[v6, c6] = security(heikinashi(s6), timeframe.period, screenerFunc())
[v7, c7] = security(heikinashi(s7), timeframe.period, screenerFunc())
[v8, c8] = security(heikinashi(s8), timeframe.period, screenerFunc())
[v9, c9] = security(heikinashi(s9), timeframe.period, screenerFunc())
[v10, c10] = security(heikinashi(s10), timeframe.period, screenerFunc())
[v11, c11] = security(heikinashi(s11), timeframe.period, screenerFunc())
[v12, c12] = security(heikinashi(s12), timeframe.period, screenerFunc())
[v13, c13] = security(heikinashi(s13), timeframe.period, screenerFunc())
[v14, c14] = security(heikinashi(s14), timeframe.period, screenerFunc())
[v15, c15] = security(heikinashi(s15), timeframe.period, screenerFunc())
[v16, c16] = security(heikinashi(s16), timeframe.period, screenerFunc())
[v17, c17] = security(heikinashi(s17), timeframe.period, screenerFunc())
[v18, c18] = security(heikinashi(s18), timeframe.period, screenerFunc())
[v19, c19] = security(heikinashi(s19), timeframe.period, screenerFunc())
[v20, c20] = security(heikinashi(s20), timeframe.period, screenerFunc())
[v21, c21] = security(heikinashi(s21), timeframe.period, screenerFunc())
[v22, c22] = security(heikinashi(s22), timeframe.period, screenerFunc())
[v23, c23] = security(heikinashi(s23), timeframe.period, screenerFunc())
[v24, c24] = security(heikinashi(s24), timeframe.period, screenerFunc())
[v25, c25] = security(heikinashi(s25), timeframe.period, screenerFunc())
[v26, c26] = security(heikinashi(s26), timeframe.period, screenerFunc())
[v27, c27] = security(heikinashi(s27), timeframe.period, screenerFunc())
[v28, c28] = security(heikinashi(s28), timeframe.period, screenerFunc())
[v29, c29] = security(heikinashi(s29), timeframe.period, screenerFunc())
[v30, c30] = security(heikinashi(s30), timeframe.period, screenerFunc())
[v31, c31] = security(heikinashi(s31), timeframe.period, screenerFunc())
[v32, c32] = security(heikinashi(s32), timeframe.period, screenerFunc())
[v33, c33] = security(heikinashi(s33), timeframe.period, screenerFunc())
[v34, c34] = security(heikinashi(s34), timeframe.period, screenerFunc())
[v35, c35] = security(heikinashi(s35), timeframe.period, screenerFunc())
[v36, c36] = security(heikinashi(s36), timeframe.period, screenerFunc())
[v37, c37] = security(heikinashi(s37), timeframe.period, screenerFunc())
[v38, c38] = security(heikinashi(s38), timeframe.period, screenerFunc())
[v39, c39] = security(heikinashi(s39), timeframe.period, screenerFunc())
[v40, c40] = security(heikinashi(s40), timeframe.period, screenerFunc())
////////////////////
// Screener label //
f_buildLabel(_c, _s, _v) =>
_c ? _s + ' ' + tostring(roundn(_v, 3)) + ' :: ' : ''
if barstate.islast
scr_label = ''
scr_label := scr_label + f_buildLabel(c1, s1, v1)
scr_label := scr_label + f_buildLabel(c2, s2, v2)
scr_label := scr_label + f_buildLabel(c3, s3, v3)
scr_label := scr_label + f_buildLabel(c4, s4, v4)
scr_label := scr_label + f_buildLabel(c5, s5, v5)
scr_label := scr_label + f_buildLabel(c6, s6, v6)
scr_label := scr_label + f_buildLabel(c7, s7, v7)
scr_label := scr_label + f_buildLabel(c8, s8, v8)
scr_label := scr_label + f_buildLabel(c9, s9, v9)
scr_label := scr_label + f_buildLabel(c10, s10, v10)
scr_label := scr_label + f_buildLabel(c11, s11, v11)
scr_label := scr_label + f_buildLabel(c12, s12, v12)
scr_label := scr_label + f_buildLabel(c13, s13, v13)
scr_label := scr_label + f_buildLabel(c14, s14, v14)
scr_label := scr_label + f_buildLabel(c15, s15, v15)
scr_label := scr_label + f_buildLabel(c16, s16, v16)
scr_label := scr_label + f_buildLabel(c17, s17, v17)
scr_label := scr_label + f_buildLabel(c18, s18, v18)
scr_label := scr_label + f_buildLabel(c19, s19, v19)
scr_label := scr_label + f_buildLabel(c20, s20, v20)
scr_label := scr_label + f_buildLabel(c21, s21, v21)
scr_label := scr_label + f_buildLabel(c22, s22, v22)
scr_label := scr_label + f_buildLabel(c23, s23, v23)
scr_label := scr_label + f_buildLabel(c24, s24, v24)
scr_label := scr_label + f_buildLabel(c25, s25, v25)
scr_label := scr_label + f_buildLabel(c26, s26, v26)
scr_label := scr_label + f_buildLabel(c27, s27, v27)
scr_label := scr_label + f_buildLabel(c28, s28, v28)
scr_label := scr_label + f_buildLabel(c29, s29, v29)
scr_label := scr_label + f_buildLabel(c30, s30, v30)
scr_label := scr_label + f_buildLabel(c31, s31, v31)
scr_label := scr_label + f_buildLabel(c32, s32, v32)
scr_label := scr_label + f_buildLabel(c33, s33, v33)
scr_label := scr_label + f_buildLabel(c34, s34, v34)
scr_label := scr_label + f_buildLabel(c35, s35, v35)
scr_label := scr_label + f_buildLabel(c36, s36, v36)
scr_label := scr_label + f_buildLabel(c37, s37, v37)
scr_label := scr_label + f_buildLabel(c38, s38, v38)
scr_label := scr_label + f_buildLabel(c39, s39, v39)
scr_label := scr_label + f_buildLabel(c40, s40, v40)
scr_label := scr_label + ""
// Plot Label
lab_l = label.new(
bar_index, 0, scr_label,
color=color.green,
textcolor=color.white,
style = label.style_labeldown,
yloc = yloc.price)
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