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")
Skrip open-source
Dengan semangat TradingView yang sesungguhnya, pembuat skrip ini telah menjadikannya sebagai sumber terbuka, sehingga para trader dapat meninjau dan memverifikasi fungsinya. Salut untuk penulisnya! Meskipun Anda dapat menggunakannya secara gratis, perlu diingat bahwa penerbitan ulang kode ini tunduk pada Tata Tertib kami.
Pernyataan Penyangkalan
Informasi dan publikasi ini tidak dimaksudkan, dan bukan merupakan, saran atau rekomendasi keuangan, investasi, trading, atau jenis lainnya yang diberikan atau didukung oleh TradingView. Baca selengkapnya di Ketentuan Penggunaan.
Skrip open-source
Dengan semangat TradingView yang sesungguhnya, pembuat skrip ini telah menjadikannya sebagai sumber terbuka, sehingga para trader dapat meninjau dan memverifikasi fungsinya. Salut untuk penulisnya! Meskipun Anda dapat menggunakannya secara gratis, perlu diingat bahwa penerbitan ulang kode ini tunduk pada Tata Tertib kami.
Pernyataan Penyangkalan
Informasi dan publikasi ini tidak dimaksudkan, dan bukan merupakan, saran atau rekomendasi keuangan, investasi, trading, atau jenis lainnya yang diberikan atau didukung oleh TradingView. Baca selengkapnya di Ketentuan Penggunaan.