OPEN-SOURCE SCRIPT
Sprung Ladder Signals v1

//version=6
indicator("Sprung Ladder Signals v1", "SLS", overlay=true)
// ---------- Inputs (set from the gear icon, no code edits needed) ----------
shelf = input.float(0.0, "Sprung Ladder shelf level (0 = off)")
springWindow = input.int(3, "Spring reclaim window (bars)", minval=1)
lvl1 = input.float(0.0, "Alert level 1 (0 = off)")
lvl2 = input.float(0.0, "Alert level 2 (0 = off)")
hlLen = input.int(2, "Higher-low pivot strength", minval=1)
hiLen = input.int(20, "Session-high lookback (bars)", minval=5)
// ---------- Webhook payload helper ----------
f_fire(ev) =>
alert('{"event":"' + ev + '","symbol":"' + syminfo.ticker + '","tf":"' + timeframe.period + '","price":' + str.tostring(close) + ',"t":' + str.tostring(timenow) + '}', alert.freq_once_per_bar_close)
// ---------- SWEEP: pokes below a defended shelf, closes back above ----------
sweep = shelf > 0 and low < shelf and close > shelf
var float sweepHigh = na
var int sweepBar = na
if sweep
sweepHigh := high
sweepBar := bar_index
// ---------- ta.* calls hoisted to globals so they run every bar (fixes CW10002) ----------
crossSweepHigh = ta.crossover(close, sweepHigh)
pl = ta.pivotlow(low, hlLen, hlLen)
recentHigh = ta.highest(high, hiLen)[1]
crossRecent = ta.crossover(close, recentHigh)
crossLvl1 = ta.cross(close, lvl1)
crossLvl2 = ta.cross(close, lvl2)
// ---------- SPRING: reclaim of the sweep bar's high within the window ----------
spring = not na(sweepBar) and (bar_index - sweepBar) <= springWindow and crossSweepHigh
if spring
sweepBar := na
// ---------- HL_RECLAIM: shallow pullback holds above prior pivot low, breaks recent high ----------
var float lastPivotLow = na
if not na(pl)
lastPivotLow := pl
hlReclaim = not na(lastPivotLow) and low > lastPivotLow and crossRecent
// ---------- Visuals ----------
plotshape(sweep, "SWEEP", shape.triangleup, location.belowbar, color.orange, size=size.small)
plotshape(spring, "SPRING", shape.labelup, location.belowbar, color.green, size=size.small)
plotshape(hlReclaim, "HL_RECLAIM", shape.diamond, location.belowbar, color.aqua, size=size.tiny)
plot(shelf > 0 ? shelf : na, "Shelf", color.new(color.yellow, 30), 2, plot.style_linebr)
// ---------- Fire webhooks (one TV alert: 'Any alert() function call') ----------
if sweep
f_fire("SWEEP")
if spring
f_fire("SPRING")
if hlReclaim
f_fire("HL_RECLAIM")
if lvl1 > 0 and crossLvl1
f_fire("LEVEL1_HIT")
if lvl2 > 0 and crossLvl2
f_fire("LEVEL2_HIT")
indicator("Sprung Ladder Signals v1", "SLS", overlay=true)
// ---------- Inputs (set from the gear icon, no code edits needed) ----------
shelf = input.float(0.0, "Sprung Ladder shelf level (0 = off)")
springWindow = input.int(3, "Spring reclaim window (bars)", minval=1)
lvl1 = input.float(0.0, "Alert level 1 (0 = off)")
lvl2 = input.float(0.0, "Alert level 2 (0 = off)")
hlLen = input.int(2, "Higher-low pivot strength", minval=1)
hiLen = input.int(20, "Session-high lookback (bars)", minval=5)
// ---------- Webhook payload helper ----------
f_fire(ev) =>
alert('{"event":"' + ev + '","symbol":"' + syminfo.ticker + '","tf":"' + timeframe.period + '","price":' + str.tostring(close) + ',"t":' + str.tostring(timenow) + '}', alert.freq_once_per_bar_close)
// ---------- SWEEP: pokes below a defended shelf, closes back above ----------
sweep = shelf > 0 and low < shelf and close > shelf
var float sweepHigh = na
var int sweepBar = na
if sweep
sweepHigh := high
sweepBar := bar_index
// ---------- ta.* calls hoisted to globals so they run every bar (fixes CW10002) ----------
crossSweepHigh = ta.crossover(close, sweepHigh)
pl = ta.pivotlow(low, hlLen, hlLen)
recentHigh = ta.highest(high, hiLen)[1]
crossRecent = ta.crossover(close, recentHigh)
crossLvl1 = ta.cross(close, lvl1)
crossLvl2 = ta.cross(close, lvl2)
// ---------- SPRING: reclaim of the sweep bar's high within the window ----------
spring = not na(sweepBar) and (bar_index - sweepBar) <= springWindow and crossSweepHigh
if spring
sweepBar := na
// ---------- HL_RECLAIM: shallow pullback holds above prior pivot low, breaks recent high ----------
var float lastPivotLow = na
if not na(pl)
lastPivotLow := pl
hlReclaim = not na(lastPivotLow) and low > lastPivotLow and crossRecent
// ---------- Visuals ----------
plotshape(sweep, "SWEEP", shape.triangleup, location.belowbar, color.orange, size=size.small)
plotshape(spring, "SPRING", shape.labelup, location.belowbar, color.green, size=size.small)
plotshape(hlReclaim, "HL_RECLAIM", shape.diamond, location.belowbar, color.aqua, size=size.tiny)
plot(shelf > 0 ? shelf : na, "Shelf", color.new(color.yellow, 30), 2, plot.style_linebr)
// ---------- Fire webhooks (one TV alert: 'Any alert() function call') ----------
if sweep
f_fire("SWEEP")
if spring
f_fire("SPRING")
if hlReclaim
f_fire("HL_RECLAIM")
if lvl1 > 0 and crossLvl1
f_fire("LEVEL1_HIT")
if lvl2 > 0 and crossLvl2
f_fire("LEVEL2_HIT")
Script de código aberto
Em verdadeiro espírito do TradingView, o criador deste script o tornou de código aberto, para que os traders possam revisar e verificar sua funcionalidade. Parabéns ao autor! Embora você possa usá-lo gratuitamente, lembre-se de que a republicação do código está sujeita às nossas Regras da Casa.
Aviso legal
As informações e publicações não se destinam a ser, e não constituem, conselhos ou recomendações financeiras, de investimento, comerciais ou de outro tipo fornecidos ou endossados pela TradingView. Leia mais nos Termos de Uso.
Script de código aberto
Em verdadeiro espírito do TradingView, o criador deste script o tornou de código aberto, para que os traders possam revisar e verificar sua funcionalidade. Parabéns ao autor! Embora você possa usá-lo gratuitamente, lembre-se de que a republicação do código está sujeita às nossas Regras da Casa.
Aviso legal
As informações e publicações não se destinam a ser, e não constituem, conselhos ou recomendações financeiras, de investimento, comerciais ou de outro tipo fornecidos ou endossados pela TradingView. Leia mais nos Termos de Uso.