Liquidity Sweep + FVG Entry Model

//version=5
indicator("Liquidity Sweep + FVG Entry Model", overlay = true, max_labels_count = 500, max_lines_count = 500)

// Just to confirm indicator is loaded, always plot close:
plot(close, color = color.new(color.white, 0))

// ─────────────────────────────────────────────
// PARAMETERS
// ─────────────────────────────────────────────
len = input.int(5, "Liquidity Lookback")
tpMultiplier = input.float(2.0, "TP Distance Multiplier")

// ─────────────────────────────────────────────
// LIQUIDITY SWEEP DETECTION
// ─────────────────────────────────────────────
lowestPrev = ta.lowest(low, len)
highestPrev = ta.highest(high, len)

sweepLow = low < lowestPrev and close > lowestPrev
sweepHigh = high > highestPrev and close < highestPrev

// Plot liquidity levels
plot(lowestPrev, "Liquidity Low", color = color.new(color.blue, 40), style = plot.style_line)
plot(highestPrev, "Liquidity High", color = color.new(color.red, 40), style = plot.style_line)

// ─────────────────────────────────────────────
// DISPLACEMENT DETECTION
// ─────────────────────────────────────────────
bullDisp = sweepLow and close > open and close > close[1]
bearDisp = sweepHigh and close < open and close < close[1]

// ─────────────────────────────────────────────
// FAIR VALUE GAP (FVG)
// ─────────────────────────────────────────────
bullFVG = low > high[2]
bearFVG = high < low[2]

// we’ll store the last FVG lines
var line fvgTop = na
var line fvgBottom = na

// clear old FVG lines when new one appears
if bullFVG or bearFVG
if not na(fvgTop)
line.delete(fvgTop)
if not na(fvgBottom)
line.delete(fvgBottom)

// Bullish FVG box
if bullFVG
fvgTop := line.new(bar_index[2], high[2], bar_index, high[2], extend = extend.right, color = color.new(color.green, 60))
fvgBottom := line.new(bar_index[2], low, bar_index, low, extend = extend.right, color = color.new(color.green, 60))

// Bearish FVG box
if bearFVG
fvgTop := line.new(bar_index[2], low[2], bar_index, low[2], extend = extend.right, color = color.new(color.red, 60))
fvgBottom := line.new(bar_index[2], high, bar_index, high, extend = extend.right, color = color.new(color.red, 60))

// ─────────────────────────────────────────────
// ENTRY, SL, TP CONDITIONS
// ─────────────────────────────────────────────
var line slLine = na
var line tp1Line = na
var line tp2Line = na

f_deleteLineIfExists(line_id) =>
if not na(line_id)
line.delete(line_id)

if bullDisp and bullFVG
sl = low
tp1 = close + (close - sl) * tpMultiplier
tp2 = close + (close - sl) * (tpMultiplier * 1.5)

f_deleteLineIfExists(slLine)
f_deleteLineIfExists(tp1Line)
f_deleteLineIfExists(tp2Line)

slLine := line.new(bar_index, sl, bar_index + 1, sl, extend = extend.right, color = color.red)
tp1Line := line.new(bar_index, tp1, bar_index + 1, tp1, extend = extend.right, color = color.green)
tp2Line := line.new(bar_index, tp2, bar_index + 1, tp2, extend = extend.right, color = color.green)

label.new(bar_index, close, "BUY Entry\nFVG Retest\nSL Below Sweep",
style = label.style_label_up, color = color.new(color.green, 0), textcolor = color.white)

if bearDisp and bearFVG
sl = high
tp1 = close - (sl - close) * tpMultiplier
tp2 = close - (sl - close) * (tpMultiplier * 1.5)

f_deleteLineIfExists(slLine)
f_deleteLineIfExists(tp1Line)
f_deleteLineIfExists(tp2Line)

slLine := line.new(bar_index, sl, bar_index + 1, sl, extend = extend.right, color = color.red)
tp1Line := line.new(bar_index, tp1, bar_index + 1, tp1, extend = extend.right, color = color.green)
tp2Line := line.new(bar_index, tp2, bar_index + 1, tp2, extend = extend.right, color = color.green)

label.new(bar_index, close, "SELL Entry\nFVG Retest\nSL Above Sweep",
style = label.style_label_down, color = color.new(color.red, 0), textcolor = color.white)